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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p class="mw-empty-elt"> </p> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Season of television series</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above summary" style="background-color: #CD79C6; color: black; padding: 0.25em 1em; font-size: 125%;"><i>Doctor Who</i></th></tr><tr><td colspan="2" class="infobox-subheader" style="background-color: #CD79C6; color: black; padding: 0.25em 1em; font-weight: bold; font-size: 125%;">Season 18</td></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Doctor_Who_Season_18_Blu-ray.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/a/a4/Doctor_Who_Season_18_Blu-ray.jpg/220px-Doctor_Who_Season_18_Blu-ray.jpg" decoding="async" width="220" height="259" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/a/a4/Doctor_Who_Season_18_Blu-ray.jpg 1.5x" data-file-width="290" data-file-height="342" /></a></span><div class="infobox-caption">Cover art of the Blu-ray release for the complete season</div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Starring</th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><a href="/wiki/Tom_Baker" title="Tom Baker">Tom Baker</a></li><li><a href="/wiki/Lalla_Ward" title="Lalla Ward">Lalla Ward</a></li><li><a href="/wiki/John_Leeson" title="John Leeson">John Leeson</a></li><li><a href="/wiki/Matthew_Waterhouse" title="Matthew Waterhouse">Matthew Waterhouse</a></li><li><a href="/wiki/Sarah_Sutton" title="Sarah Sutton">Sarah Sutton</a></li><li><a href="/wiki/Janet_Fielding" title="Janet Fielding">Janet Fielding</a></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><abbr title="Number">No.</abbr> of stories</th><td class="infobox-data">7</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><abbr title="Number">No.</abbr> of episodes</th><td class="infobox-data">28</td></tr><tr><th colspan="2" class="infobox-header summary" style="background-color: #CD79C6; color: black; padding: 0.25em 1em; line-height: 1.5em;">Release</th></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Original network</th><td class="infobox-data"><a href="/wiki/BBC_One" title="BBC One">BBC1</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Original release</th><td class="infobox-data">30 August 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-08-30</span>)</span> –<br />21 March 1981<span style="display:none"> (<span class="dtend itvend">1981-03-21</span>)</span></td></tr><tr><th colspan="2" class="infobox-header summary" style="background-color: #CD79C6; color: black; padding: 0.25em 1em; line-height: 1.5em;">Season chronology</th></tr><tr class="noprint"><td colspan="2" class="infobox-full-data"><div style="float: left;">← <b>Previous</b><br /><a href="/wiki/Doctor_Who_season_17" title="Doctor Who season 17">Season 17</a></div><div style="float: right;"><b>Next</b> →<br /><a href="/wiki/Doctor_Who_season_19" title="Doctor Who season 19">Season 19</a></div></td></tr><tr><td colspan="2" class="infobox-below noprint"><a href="/wiki/List_of_Doctor_Who_episodes_(1963%E2%80%931989)" title="List of Doctor Who episodes (1963–1989)">List of episodes</a></td></tr></tbody></table> <p>The eighteenth season of <a href="/wiki/British_television" class="mw-redirect" title="British television">British</a> <a href="/wiki/Science_fiction_on_television" title="Science fiction on television">science fiction television</a> series <i><a href="/wiki/Doctor_Who" title="Doctor Who">Doctor Who</a></i> consisted of seven four-episode serials broadcast from 30 August 1980 with the serial <i><a href="/wiki/The_Leisure_Hive" title="The Leisure Hive">The Leisure Hive</a></i>, to 21 March 1981 with the serial <i><a href="/wiki/Logopolis" title="Logopolis">Logopolis</a></i>. The season is <a href="/wiki/Tom_Baker" title="Tom Baker">Tom Baker</a>'s final as the <a href="/wiki/Fourth_Doctor" title="Fourth Doctor">Fourth Doctor</a> before his <a href="/wiki/Regeneration_(Doctor_Who)" class="mw-redirect" title="Regeneration (Doctor Who)">regeneration</a> into the <a href="/wiki/Fifth_Doctor" title="Fifth Doctor">Fifth Doctor</a> (<a href="/wiki/Peter_Davison" title="Peter Davison">Peter Davison</a>), as well as <a href="/wiki/Lalla_Ward" title="Lalla Ward">Lalla Ward</a>'s as <a href="/wiki/Companion_(Doctor_Who)" title="Companion (Doctor Who)">companion</a> <a href="/wiki/Romana_(Doctor_Who)" title="Romana (Doctor Who)">Romana II</a> and <a href="/wiki/John_Leeson" title="John Leeson">John Leeson</a>'s as the voice of <a href="/wiki/K9_(Doctor_Who)" title="K9 (Doctor Who)">K9</a>. For the second time (The first being during <a href="/wiki/Doctor_Who_(season_4)" class="mw-redirect" title="Doctor Who (season 4)">Season 4</a> and third being <a href="/wiki/Doctor_Who_(season_21)" class="mw-redirect" title="Doctor Who (season 21)">Season 21</a>), the entire main cast changed over the course of a single season. The season also sees the debut of <a href="/wiki/Matthew_Waterhouse" title="Matthew Waterhouse">Matthew Waterhouse</a> as <a href="/wiki/Adric" title="Adric">Adric</a>, <a href="/wiki/Sarah_Sutton" title="Sarah Sutton">Sarah Sutton</a> as <a href="/wiki/Nyssa_(Doctor_Who)" title="Nyssa (Doctor Who)">Nyssa</a>, and <a href="/wiki/Janet_Fielding" title="Janet Fielding">Janet Fielding</a> as <a href="/wiki/Tegan_Jovanka" title="Tegan Jovanka">Tegan Jovanka</a>, the three of whom would remain regular companions into the <a href="/wiki/Fifth_Doctor" title="Fifth Doctor">Fifth Doctor</a>'s era, as well as the return of <a href="/wiki/The_Master_(Doctor_Who)" title="The Master (Doctor Who)">the Master</a>, portrayed both by <a href="/wiki/Geoffrey_Beevers" title="Geoffrey Beevers">Geoffrey Beevers</a> and <a href="/wiki/Anthony_Ainley" title="Anthony Ainley">Anthony Ainley</a>. </p><p>The season was the first to be produced by <a href="/wiki/John_Nathan-Turner" title="John Nathan-Turner">John Nathan-Turner</a>, who would produce every season of the show until 1989, and the first to feature script editor <a href="/wiki/Christopher_H._Bidmead" title="Christopher H. Bidmead">Christopher H. Bidmead</a>. The season features a trilogy of connected serials, <i><a href="/wiki/Full_Circle_(Doctor_Who)" title="Full Circle (Doctor Who)">Full Circle</a></i>, <i><a href="/wiki/State_of_Decay_(Doctor_Who)" title="State of Decay (Doctor Who)">State of Decay</a></i>, and <i><a href="/wiki/Warriors%27_Gate" title="Warriors' Gate">Warrior's Gate</a></i>, which form a trilogy set in a "bubble universe" called E-Space,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> as well as <i><a href="/wiki/The_Keeper_of_Traken" title="The Keeper of Traken">The Keeper of Traken</a></i> and <i><a href="/wiki/Logopolis" title="Logopolis">Logopolis</a></i>, the first two serials of a trilogy continued in season 19's <i><a href="/wiki/Castrovalva_(Doctor_Who)" title="Castrovalva (Doctor Who)">Castrovalva</a></i>, centred on the return of The Master and the regeneration of the Fourth Doctor.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Cast">Cast</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=1" title="Edit section: Cast"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/List_of_Doctor_Who_cast_members" title="List of Doctor Who cast members">List of Doctor Who cast members</a></div> <div class="mw-heading mw-heading3"><h3 id="Main_cast">Main cast</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=2" title="Edit section: Main cast"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Tom_Baker" title="Tom Baker">Tom Baker</a> as the <a href="/wiki/Fourth_Doctor" title="Fourth Doctor">Fourth Doctor</a></li> <li><a href="/wiki/Lalla_Ward" title="Lalla Ward">Lalla Ward</a> as <a href="/wiki/Romana_(Doctor_Who)" title="Romana (Doctor Who)">Romana</a></li> <li><a href="/wiki/John_Leeson" title="John Leeson">John Leeson</a> as Voice of <a href="/wiki/K9_(Doctor_Who)" title="K9 (Doctor Who)">K9</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>note 1<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Matthew_Waterhouse" title="Matthew Waterhouse">Matthew Waterhouse</a> as <a href="/wiki/Adric" title="Adric">Adric</a></li> <li><a href="/wiki/Sarah_Sutton" title="Sarah Sutton">Sarah Sutton</a> as <a href="/wiki/Nyssa_(Doctor_Who)" title="Nyssa (Doctor Who)">Nyssa</a></li> <li><a href="/wiki/Janet_Fielding" title="Janet Fielding">Janet Fielding</a> as <a href="/wiki/Tegan_Jovanka" title="Tegan Jovanka">Tegan Jovanka</a></li></ul> <p>Season 18 is the final season of <a href="/wiki/Tom_Baker" title="Tom Baker">Tom Baker</a> as the <a href="/wiki/Fourth_Doctor" title="Fourth Doctor">Fourth Doctor</a> after seven years in the role. New companions <a href="/wiki/Adric" title="Adric">Adric</a> (<a href="/wiki/Matthew_Waterhouse" title="Matthew Waterhouse">Matthew Waterhouse</a>), <a href="/wiki/Nyssa_(Doctor_Who)" title="Nyssa (Doctor Who)">Nyssa</a> (<a href="/wiki/Sarah_Sutton" title="Sarah Sutton">Sarah Sutton</a>), and <a href="/wiki/Tegan_Jovanka" title="Tegan Jovanka">Tegan Jovanka</a> (<a href="/wiki/Janet_Fielding" title="Janet Fielding">Janet Fielding</a>) make their introductions in <i><a href="/wiki/Full_Circle_(Doctor_Who)" title="Full Circle (Doctor Who)">Full Circle</a></i>, <i><a href="/wiki/The_Keeper_of_Traken" title="The Keeper of Traken">The Keeper of Traken</a></i>, and <i><a href="/wiki/Logopolis" title="Logopolis">Logopolis</a></i>, respectively. <a href="/wiki/Romana_(Doctor_Who)" title="Romana (Doctor Who)">Romana</a>, played by <a href="/wiki/Lalla_Ward" title="Lalla Ward">Lalla Ward</a>, departs from the series in <i><a href="/wiki/Warriors%27_Gate" title="Warriors' Gate">Warriors' Gate</a></i>, along with <a href="/wiki/John_Leeson" title="John Leeson">John Leeson</a> who returns to voice the robot <a href="/wiki/K9_(Doctor_Who)" title="K9 (Doctor Who)">K9</a>. With the arrival of Adric, this season marks the first time since 1967 that the Doctor has three regular travelling companions in the TARDIS. <a href="/wiki/Peter_Davison" title="Peter Davison">Peter Davison</a> makes his first appearance as the <a href="/wiki/Fifth_Doctor" title="Fifth Doctor">Fifth Doctor</a> in the closing moments of <i>Logopolis</i>. </p> <div class="mw-heading mw-heading3"><h3 id="Guest_stars">Guest stars</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=3" title="Edit section: Guest stars"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/The_Master_(Doctor_Who)" title="The Master (Doctor Who)">The Master</a> returned to the show, this time played by <a href="/wiki/Geoffrey_Beevers" title="Geoffrey Beevers">Geoffrey Beevers</a>, in <i><a href="/wiki/The_Keeper_of_Traken" title="The Keeper of Traken">The Keeper of Traken</a></i>. After the events of <i>Traken</i>, the Master was thereafter played by <a href="/wiki/Anthony_Ainley" title="Anthony Ainley">Anthony Ainley</a>, who would continue in the part for the rest of the classic series' run. </p><p><a href="/wiki/Jacqueline_Hill" title="Jacqueline Hill">Jacqueline Hill</a>, who had played the <a href="/wiki/First_Doctor" title="First Doctor">First Doctor</a>'s companion <a href="/wiki/Barbara_Wright_(Doctor_Who)" title="Barbara Wright (Doctor Who)">Barbara Wright</a>, returned in <i><a href="/wiki/Meglos" title="Meglos">Meglos</a></i>, although playing a different character, the alien priestess Lexa. </p> <div class="mw-heading mw-heading2"><h2 id="Serials">Serials</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=4" title="Edit section: Serials"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/List_of_Doctor_Who_episodes_(1963%E2%80%931989)" title="List of Doctor Who episodes (1963–1989)">List of Doctor Who episodes (1963–1989)</a></div> <p>For Season 18 <a href="/wiki/John_Nathan-Turner" title="John Nathan-Turner">John Nathan-Turner</a> replaces <a href="/wiki/Graham_Williams_(television_producer)" title="Graham Williams (television producer)">Graham Williams</a> as producer. <a href="/wiki/Barry_Letts" title="Barry Letts">Barry Letts</a> returns now as executive producer, for just this season. <a href="/wiki/Christopher_H._Bidmead" title="Christopher H. Bidmead">Christopher H. Bidmead</a> also replaces <a href="/wiki/Douglas_Adams" title="Douglas Adams">Douglas Adams</a> as script editor. In a return to the format of early seasons, virtually all serials from Seasons 18 through 20 are linked together, often running directly into each other. Three serials – <i>Full Circle</i>, <i>State of Decay</i>, and <i>Warriors' Gate</i> – are part of a trilogy within the season. These three serials include the arrival of Adric and the departure of Romana and K9. </p><p>Over the period of Christmas 1980, the season took a two-week transmission break between the broadcasts of <i>State of Decay</i> and <i>Warriors' Gate</i>. </p> <table class="wikitable plainrowheaders wikiepisodetable" style="width:100%"><tbody><tr style="color:black;text-align:center"><th scope="col" style="background:#CD79C6;width:5%;color:black"><abbr title="Number">No.</abbr><br />story</th><th scope="col" style="background:#CD79C6;width:5%;color:black"><abbr title="Number">No.</abbr> in<br />season</th><th scope="col" style="background:#CD79C6;width:15%;color:black">Serial title</th><th scope="col" style="background:#CD79C6;width:16%;color:black">Episode titles</th><th scope="col" style="background:#CD79C6;width:12%;color:black">Directed by</th><th scope="col" style="background:#CD79C6;width:13%;color:black">Written by</th><th scope="col" style="background:#CD79C6;width:15%;color:black">Original air date</th><th scope="col" style="background:#CD79C6;width:6%;color:black"><abbr title="Production">Prod.</abbr><br />code</th><th scope="col" style="background:#CD79C6;width:10%;color:black">UK viewers<br />(millions) <span style="color:black;background-color:white;padding:1px;display:inline-block;line-height:50%"><sup id="cite_ref-AllRatings_4-0" class="reference"><a href="#cite_note-AllRatings-4"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></span></th><th scope="col" style="background:#CD79C6;width:3%;color:black"><a href="/wiki/Appreciation_Index" title="Appreciation Index"><abbr style="color:black" title="Appreciation Index">AI</abbr></a> <span style="color:black;background-color:white;padding:1px;display:inline-block;line-height:50%"><sup id="cite_ref-AllRatings_4-1" class="reference"><a href="#cite_note-AllRatings-4"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></span></th></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><th scope="row" rowspan="4" id="ep109" style="text-align:center">109</th><td rowspan="4">1</td><td class="summary" rowspan="4" style="text-align:left"><i><a href="/wiki/The_Leisure_Hive" title="The Leisure Hive">The Leisure Hive</a></i></td><td style="text-align:left">"Part One"</td><td rowspan="4">Lovett Bickford</td><td rowspan="4"><a href="/wiki/David_Fisher_(writer)" title="David Fisher (writer)">David Fisher</a></td><td style="text-align:center">30 August 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-08-30</span>)</span></td><td id="pc5N" rowspan="4" style="text-align:center">5N</td><td style="text-align:center">5.9</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Two"</td><td style="text-align:center">6 September 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-09-06</span>)</span></td><td style="text-align:center">5.0</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Three"</td><td style="text-align:center">13 September 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-09-13</span>)</span></td><td style="text-align:center">5.0</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Four"</td><td style="text-align:center">20 September 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-09-20</span>)</span></td><td style="text-align:center">4.5</td><td style="text-align:center">65</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"></tr><tr class="expand-child"><td class="description" colspan="28" style="border-bottom:solid 3px #CD79C6"> <div class="shortSummaryText" style="max-width:90vw;position:sticky;left:0.2em"> In search of a holiday, the Doctor and Romana travel to the famous Leisure Hive on Argolis, a planet ravaged by a nuclear war with the reptilian Foamasi years earlier. The main attraction of the Hive is a device called the Tachyon Recreation Generator, but when things start to go mysteriously wrong with the machine, the Doctor realises that evil is afoot in the Hive. He and Romana begin to unearth a tangled conspiracy which may lead to a new, deadlier war between the Argolins and the Foamasi.</div></td></tr> <tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><th scope="row" rowspan="4" id="ep110" style="text-align:center">110</th><td rowspan="4">2</td><td class="summary" rowspan="4" style="text-align:left"><i><a href="/wiki/Meglos" title="Meglos">Meglos</a></i></td><td style="text-align:left">"Part One"</td><td rowspan="4"><a href="/wiki/Terence_Dudley" title="Terence Dudley">Terence Dudley</a></td><td rowspan="4">John Flanagan & <a href="/wiki/Andrew_McCulloch_(writer_and_actor)" class="mw-redirect" title="Andrew McCulloch (writer and actor)">Andrew McCulloch</a></td><td style="text-align:center">27 September 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-09-27</span>)</span></td><td id="pc5Q" rowspan="4" style="text-align:center">5Q</td><td style="text-align:center">5.0</td><td style="text-align:center">61</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Two"</td><td style="text-align:center">4 October 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-10-04</span>)</span></td><td style="text-align:center">4.2</td><td style="text-align:center">64</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Three"</td><td style="text-align:center">11 October 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-10-11</span>)</span></td><td style="text-align:center">4.7</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Four"</td><td style="text-align:center">18 October 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-10-18</span>)</span></td><td style="text-align:center">4.7</td><td style="text-align:center">63</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"></tr><tr class="expand-child"><td class="description" colspan="28" style="border-bottom:solid 3px #CD79C6"> <div class="shortSummaryText" style="max-width:90vw;position:sticky;left:0.2em"> The Doctor is summoned back to the planet Tigella, where the population is divided along religious and scientific lines. Something is going terribly wrong with Tigella's main power source, the Dodecahedron, but the Savants are prevented from investigating by the zealous Deons. To make matters worse, before the Doctor can solve the problem with the Dodecahedron, he is accused of its theft. The true culprit is Meglos, a shapeshifting Zolfa-Thuran, who intends to unleash the full might of the Dodecahedron upon the universe.</div></td></tr> <tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><th scope="row" rowspan="4" id="ep111" style="text-align:center">111</th><td rowspan="4">3</td><td class="summary" rowspan="4" style="text-align:left"><i><a href="/wiki/Full_Circle_(Doctor_Who)" title="Full Circle (Doctor Who)">Full Circle</a></i></td><td style="text-align:left">"Part One"</td><td rowspan="4"><a href="/wiki/Peter_Grimwade" title="Peter Grimwade">Peter Grimwade</a></td><td rowspan="4"><a href="/wiki/Andrew_Smith_(British_writer)" title="Andrew Smith (British writer)">Andrew Smith</a></td><td style="text-align:center">25 October 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-10-25</span>)</span></td><td id="pc5R" rowspan="4" style="text-align:center">5R</td><td style="text-align:center">5.9</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Two"</td><td style="text-align:center">1 November 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-11-01</span>)</span></td><td style="text-align:center">3.7</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Three"</td><td style="text-align:center">8 November 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-11-08</span>)</span></td><td style="text-align:center">5.9</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Four"</td><td style="text-align:center">15 November 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-11-15</span>)</span></td><td style="text-align:center">5.4</td><td style="text-align:center">65</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"></tr><tr class="expand-child"><td class="description" colspan="28" style="border-bottom:solid 3px #CD79C6"> <div class="shortSummaryText" style="max-width:90vw;position:sticky;left:0.2em"> Romana is recalled to Gallifrey, but en route the TARDIS is drawn through a Charged Vacuum Emboitment into another universe, called E-Space. Landing on the planet Alzarius, the Doctor meets a group of humans who are trying to rebuild their spacecraft which crashlanded generations ago. When Marshmen begin rising from the swamps during the dreaded time of Mistfall, however, the Doctor realises that there is something amiss on Alzarius, and begins to unravel a genetic riddle which stretches back centuries.</div></td></tr> <tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><th scope="row" rowspan="4" id="ep112" style="text-align:center">112</th><td rowspan="4">4</td><td class="summary" rowspan="4" style="text-align:left"><i><a href="/wiki/State_of_Decay_(Doctor_Who)" title="State of Decay (Doctor Who)">State of Decay</a></i></td><td style="text-align:left">"Part One"</td><td rowspan="4"><a href="/wiki/Peter_Moffatt" title="Peter Moffatt">Peter Moffatt</a></td><td rowspan="4"><a href="/wiki/Terrance_Dicks" title="Terrance Dicks">Terrance Dicks</a></td><td style="text-align:center">22 November 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-11-22</span>)</span></td><td id="pc5P" rowspan="4" style="text-align:center">5P</td><td style="text-align:center">5.8</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Two"</td><td style="text-align:center">29 November 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-11-29</span>)</span></td><td style="text-align:center">5.3</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Three"</td><td style="text-align:center">6 December 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-12-06</span>)</span></td><td style="text-align:center">4.4</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Four"</td><td style="text-align:center">13 December 1980<span style="display:none"> (<span class="bday dtstart published updated itvstart">1980-12-13</span>)</span></td><td style="text-align:center">5.4</td><td style="text-align:center">69</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"></tr><tr class="expand-child"><td class="description" colspan="28" style="border-bottom:solid 3px #CD79C6"> <div class="shortSummaryText" style="max-width:90vw;position:sticky;left:0.2em"> Still trapped in E-Space, the TARDIS materialises on a medieval planet. The townsfolk live in fear of the Three Who Rule, who govern from their mighty castle. Investigating, the Doctor discovers that the Three Who Rule are ancient astronauts who were turned into vampires long ago, and their castle is actually their spaceship. When Romana and Adric are kidnapped, the Doctor must ally himself with a band of renegade peasants to stop the resurrection of one of Gallifrey's greatest enemies: the Great Vampire itself.</div></td></tr> <tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><th scope="row" rowspan="4" id="ep113" style="text-align:center">113</th><td rowspan="4">5</td><td class="summary" rowspan="4" style="text-align:left"><i><a href="/wiki/Warriors%27_Gate" title="Warriors' Gate">Warriors' Gate</a></i></td><td style="text-align:left">"Part One"</td><td rowspan="4"><a href="/wiki/Paul_Joyce" title="Paul Joyce">Paul Joyce</a> & <a href="/wiki/Graeme_Harper" title="Graeme Harper">Graeme Harper</a> (uncredited)</td><td rowspan="4"><a href="/wiki/Stephen_Gallagher" title="Stephen Gallagher">Stephen Gallagher</a></td><td style="text-align:center">3 January 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-01-03</span>)</span></td><td id="pc5S" rowspan="4" style="text-align:center">5S</td><td style="text-align:center">7.1</td><td style="text-align:center">59</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Two"</td><td style="text-align:center">10 January 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-01-10</span>)</span></td><td style="text-align:center">6.7</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Three"</td><td style="text-align:center">17 January 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-01-17</span>)</span></td><td style="text-align:center">8.3</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Four"</td><td style="text-align:center">24 January 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-01-24</span>)</span></td><td style="text-align:center">7.8</td><td style="text-align:center">59</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"></tr><tr class="expand-child"><td class="description" colspan="28" style="border-bottom:solid 3px #CD79C6"> <div class="shortSummaryText" style="max-width:90vw;position:sticky;left:0.2em"> Trying to escape from E-Space, the Doctor, Romana, Adric and K9 instead land in an eerie white void whose only feature is a crumbling old keep. Also trapped in the void is a slave ship captained by the cruel Rorvik, whose time sensitive pilot, the leonine Tharil Biroc, escapes and lures the Doctor into the keep and the mirror gateway beyond. There, the Doctor witnesses the rise and fall of the once-mighty Tharil Empire. He realises that he must free the Tharils enslaved on the ship and escape through the gateway, before Rorvik's vengeful actions destroy them all.</div></td></tr> <tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><th scope="row" rowspan="4" id="ep114" style="text-align:center">114</th><td rowspan="4">6</td><td class="summary" rowspan="4" style="text-align:left"><i><a href="/wiki/The_Keeper_of_Traken" title="The Keeper of Traken">The Keeper of Traken</a></i></td><td style="text-align:left">"Part One"</td><td rowspan="4"><a href="/wiki/John_Black_(director)" title="John Black (director)">John Black</a></td><td rowspan="4"><a href="/wiki/Johnny_Byrne_(writer)" title="Johnny Byrne (writer)">Johnny Byrne</a></td><td style="text-align:center">31 January 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-01-31</span>)</span></td><td id="pc5T" rowspan="4" style="text-align:center">5T</td><td style="text-align:center">7.6</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Two"</td><td style="text-align:center">7 February 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-02-07</span>)</span></td><td style="text-align:center">6.1</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Three"</td><td style="text-align:center">14 February 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-02-14</span>)</span></td><td style="text-align:center">5.2</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Four"</td><td style="text-align:center">21 February 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-02-21</span>)</span></td><td style="text-align:center">6.1</td><td style="text-align:center">63</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"></tr><tr class="expand-child"><td class="description" colspan="28" style="border-bottom:solid 3px #CD79C6"> <div class="shortSummaryText" style="max-width:90vw;position:sticky;left:0.2em"> The Union of Traken is governed by a Keeper gifted with the powers of the Source. The current Keeper is nearing the end of his thousand-year tenure, however, and asks the Doctor and Adric – who have escaped from E-Space – to go to Traken and stop an evil he believes is plotting to destroy the Union. But the source of the evil, the Melkur, has already infiltrated the Consuls of Traken, and has the Doctor declared a criminal. Allying himself with Consul Tremas and his daughter, Nyssa, the Time Lord must uncover the true power behind the Melkur – someone who knows the Doctor of old.</div></td></tr> <tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><th scope="row" rowspan="4" id="ep115" style="text-align:center">115</th><td rowspan="4">7</td><td class="summary" rowspan="4" style="text-align:left"><i><a href="/wiki/Logopolis" title="Logopolis">Logopolis</a></i></td><td style="text-align:left">"Part One"</td><td rowspan="4">Peter Grimwade</td><td rowspan="4"><a href="/wiki/Christopher_H._Bidmead" title="Christopher H. Bidmead">Christopher H. Bidmead</a></td><td style="text-align:center">28 February 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-02-28</span>)</span></td><td id="pc5V" rowspan="4" style="text-align:center">5V</td><td style="text-align:center">7.7</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Two"</td><td style="text-align:center">7 March 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-03-07</span>)</span></td><td style="text-align:center">7.7</td><td style="text-align:center">61</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Three"</td><td style="text-align:center">14 March 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-03-14</span>)</span></td><td style="text-align:center">5.8</td><td style="text-align:center">—</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"><td style="text-align:left">"Part Four"</td><td style="text-align:center">21 March 1981<span style="display:none"> (<span class="bday dtstart published updated itvstart">1981-03-21</span>)</span></td><td style="text-align:center">6.1</td><td style="text-align:center">65</td></tr><tr class="vevent module-episode-list-row" style="text-align:center;background:inherit;color:inherit"></tr><tr class="expand-child"><td class="description" colspan="28" style="border-bottom:solid 3px #CD79C6"> <div class="shortSummaryText" style="max-width:90vw;position:sticky;left:0.2em"> After her aunt is murdered by the Master, an airline stewardess named Tegan Jovanka becomes an unwitting stowaway aboard the TARDIS as it travels to the planet Logopolis. There, the Doctor discovers that the Master's interference with the Logopolitans' advanced mathematics has unleashed a wave of entropy which threatens to consume the entire universe. The two Time Lords enter into an uneasy alliance. Their only hope lies on Earth... but then, in the moment of greatest crisis, the Master plays his ultimate trump card.</div></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r1237879425">.mw-parser-output .wikiepisodetable tr.vevent,.mw-parser-output .wikiepisodetable tr.vevent th{text-align:center}.mw-parser-output .wikiepisodetable .summary{text-align:left}@media screen{html.skin-theme-clientpref-night .mw-parser-output .module-episode-list-row small[style]{color:#d5d584!important;background:#333;padding:8px}html.skin-theme-clientpref-night .mw-parser-output .wikiepisodetable span[style^="color"]{color:inherit!important;border-bottom:dotted 1px}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .module-episode-list-row small[style]{color:#d5d584!important;background:#333;padding:8px}html.skin-theme-clientpref-os .mw-parser-output .wikiepisodetable span[style^="color"]{color:inherit!important;border-bottom:dotted 1px}}</style> <div class="mw-heading mw-heading2"><h2 id="Broadcast">Broadcast</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=5" title="Edit section: Broadcast"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The entire season was broadcast from 30 August 1980 to 21 March 1981. </p> <div class="mw-heading mw-heading2"><h2 id="Home_media">Home media</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=6" title="Edit section: Home media"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/List_of_Doctor_Who_home_video_releases" title="List of Doctor Who home video releases">List of Doctor Who home video releases</a> and <a href="/wiki/List_of_other_Doctor_Who_home_video_releases" title="List of other Doctor Who home video releases">List of other Doctor Who home video releases</a></div> <div class="mw-heading mw-heading3"><h3 id="VHS_releases">VHS releases</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=7" title="Edit section: VHS releases"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable" style="width:100%;"> <tbody><tr> <th style="width:4%;">Season </th> <th style="width:7%;">Story no. </th> <th style="width:28%;">Serial name </th> <th style="width:10%;">Number and duration<br />of episodes </th> <th style="width:17%;">UK release date </th> <th style="width:17%;">Australia release date </th> <th style="width:17%;">USA/Canada release date </th></tr> <tr> <td rowspan="5">18 </td> <td>109 </td> <td><i><a href="/wiki/The_Leisure_Hive" title="The Leisure Hive">The Leisure Hive</a></i> </td> <td>4 x 25 min. </td> <td data-sort-value="1997-01">January 1997 </td> <td data-sort-value="1997-09">September 1997 </td> <td data-sort-value="1997-05">May 1997 </td></tr> <tr> <td>110 </td> <td><i><a href="/wiki/Meglos" title="Meglos">Meglos</a></i> </td> <td>4 x 25 min </td> <td data-sort-value="2003-03">March 2003 </td> <td data-sort-value="2003-06">June 2003 </td> <td data-sort-value="2003-10">October 2003 </td></tr> <tr> <td>111<br />112<br />113 </td> <td><i>The E-Space Trilogy</i><br /><i><a href="/wiki/Full_Circle_(Doctor_Who)" title="Full Circle (Doctor Who)">Full Circle</a></i><br /><i><a href="/wiki/State_of_Decay_(Doctor_Who)" title="State of Decay (Doctor Who)">State of Decay</a></i><br /><i><a href="/wiki/Warriors%27_Gate" title="Warriors' Gate">Warriors' Gate</a></i> </td> <td>12 x 25 min </td> <td data-sort-value="1997-11">November 1997<br /><small>3 x VHS</small> </td> <td data-sort-value="1997-10">October 1997<br /><small>3 x VHS</small> </td> <td data-sort-value="1998-07">July 1998<br /><small>3 x VHS</small> </td></tr> <tr> <td>114 </td> <td><i><a href="/wiki/The_Keeper_of_Traken" title="The Keeper of Traken">The Keeper of Traken</a></i> </td> <td>4 x 25 min </td> <td data-sort-value="1993-06">June 1993 </td> <td data-sort-value="1993-09">September 1993 </td> <td data-sort-value="1994-02">February 1994 </td></tr> <tr> <td>115 </td> <td><i><a href="/wiki/Logopolis" title="Logopolis">Logopolis</a></i> </td> <td>4 x 25 min </td> <td data-sort-value="1992-03">March 1992 </td> <td data-sort-value="1992-09">September 1992 </td> <td data-sort-value="1993-10">October 1993 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="DVD_and_Blu-ray_releases">DVD and Blu-ray releases</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=8" title="Edit section: DVD and Blu-ray releases"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>All releases are for <a href="/wiki/DVD" title="DVD">DVD</a> unless otherwise indicated: </p> <ul><li><sup>(B)</sup> indicates a <a href="/wiki/Blu-ray" title="Blu-ray">Blu-ray</a> release</li></ul> <table class="wikitable sortable" style="width:100%;"> <tbody><tr> <th style="width:4%;">Season </th> <th style="width:7%;">Story no. </th> <th style="width:28%;">Serial name </th> <th style="width:10%;">Number and duration<br />of episodes </th> <th style="width:17%;">R2 release date </th> <th style="width:17%;">R4 release date </th> <th style="width:17%;">R1 release date </th></tr> <tr> <td rowspan="6">18 </td> <td>109 </td> <td><i><a href="/wiki/The_Leisure_Hive" title="The Leisure Hive">The Leisure Hive</a></i> </td> <td data-sort-value="100">4 × 25 min. </td> <td data-sort-value="2004-07-05">5 July 2004<sup id="cite_ref-FOOTNOTESmith2014The_Leisure_Hive_5-0" class="reference"><a href="#cite_note-FOOTNOTESmith2014The_Leisure_Hive-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2004-10-07">7 October 2004<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2005-06-07">7 June 2005<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>110 </td> <td><i><a href="/wiki/Meglos" title="Meglos">Meglos</a></i> </td> <td data-sort-value="100">4 × 25 min. </td> <td data-sort-value="2011-01-10">10 January 2011<sup id="cite_ref-FOOTNOTESmith2014Meglos_8-0" class="reference"><a href="#cite_note-FOOTNOTESmith2014Meglos-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2011-01-20">20 January 2011<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2011-01-11">11 January 2011<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>111–113 </td> <td><i><a href="/wiki/Full_Circle_(Doctor_Who)" title="Full Circle (Doctor Who)">Full Circle</a></i><br /><i><a href="/wiki/State_of_Decay_(Doctor_Who)" title="State of Decay (Doctor Who)">State of Decay</a></i><br /><i><a href="/wiki/Warriors%27_Gate" title="Warriors' Gate">Warriors' Gate</a></i> </td> <td data-sort-value="300">12 × 25 min.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2009-01-26">26 January 2009<sup id="cite_ref-FOOTNOTESmith2014Full_Circle_12-0" class="reference"><a href="#cite_note-FOOTNOTESmith2014Full_Circle-12"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2009-04-09">9 April 2009<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2009-05-05">5 May 2009<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>114 </td> <td><i><a href="/wiki/The_Keeper_of_Traken" title="The Keeper of Traken">The Keeper of Traken</a></i><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="100">4 × 25 min. </td> <td data-sort-value="2007-01-29">29 January 2007<sup id="cite_ref-FOOTNOTESmith2014The_Keeper_of_Traken_16-0" class="reference"><a href="#cite_note-FOOTNOTESmith2014The_Keeper_of_Traken-16"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2007-03-07">7 March 2007<sup id="cite_ref-KeeperTrakenR4_17-0" class="reference"><a href="#cite_note-KeeperTrakenR4-17"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2007-06-05">5 June 2007<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>115 </td> <td><i><a href="/wiki/Logopolis" title="Logopolis">Logopolis</a></i><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="100">4 × 25 min. </td> <td data-sort-value="2007-01-29">29 January 2007<sup id="cite_ref-FOOTNOTESmith2014Logopolis_20-0" class="reference"><a href="#cite_note-FOOTNOTESmith2014Logopolis-20"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2007-03-07">7 March 2007<sup id="cite_ref-KeeperTrakenR4_17-1" class="reference"><a href="#cite_note-KeeperTrakenR4-17"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2007-06-05">5 June 2007<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>109–115 </td> <td>Complete Season 18<sup id="cite_ref-TheCollection18_22-0" class="reference"><a href="#cite_note-TheCollection18-22"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="750">28 × 25 min.<br />1 × 50 min. </td> <td data-sort-value="2019-03-18">18 March 2019 <sup>(B)</sup> <sup id="cite_ref-Complete_Season_18_R2_23-0" class="reference"><a href="#cite_note-Complete_Season_18_R2-23"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2019-04-17">17 April 2019 <sup>(B)</sup> <sup id="cite_ref-Complete_Season_18_R4_24-0" class="reference"><a href="#cite_note-Complete_Season_18_R4-24"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </td> <td data-sort-value="2019-03-19">19 March 2019 <sup>(B)</sup> <sup id="cite_ref-Complete_Season_18_R1_25-0" class="reference"><a href="#cite_note-Complete_Season_18_R1-25"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text">Known collectively as <i>The E-Space Trilogy</i>. Each serial comprises four episodes.</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text">Only available as part of the <i>New Beginnings</i> box set in Regions 2 and 4. Available individually or in the box set in Region 1.</span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text">Available as part of the <i>New Beginnings</i> box set or the <i>Regeneration</i> box set in Region 2. Only available as part of the <i>New Beginnings</i> box set in Region 4. Available individually or as part of the <i>New Beginnings</i> box set in Region 1.</span> </li> <li id="cite_note-TheCollection18-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-TheCollection18_22-0">^</a></b></span> <span class="reference-text">Released as <i>Doctor Who: The Collection – Season 18</i> in Region B. Released as <i>Doctor Who – Tom Baker: Complete Season Seven</i> in Region A.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="In_print">In print</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=9" title="Edit section: In print"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/List_of_Doctor_Who_novelisations" title="List of Doctor Who novelisations">List of Doctor Who novelisations</a></div> <table class="wikitable sortable" style="width:100%;"> <tbody><tr> <th style="width:4%;">Season </th> <th style="width:6%;">Story no. </th> <th style="width:6%;">Library no.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </th> <th style="width:29%;">Novelisation title </th> <th style="width:10%;">Author </th> <th style="width:15%;" data-sort-type="date">Hardcover <br />release date<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> </th> <th style="width:15%;" data-sort-type="date">Paperback <br />release date<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </th> <th style="width:15%;" data-sort-type="date"><a href="/wiki/List_of_Doctor_Who_audiobooks" title="List of Doctor Who audiobooks">Audiobook</a> <br />release date<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td rowspan="9">18</td> <td>109</td> <td>39</td> <td><i><a href="/wiki/The_Leisure_Hive#In_print" title="The Leisure Hive">Doctor Who and the Leisure Hive</a></i></td> <td data-sort-value="Fisher, David"><a href="/wiki/David_Fisher_(writer)" title="David Fisher (writer)">David Fisher</a></td> <td colspan="2" style="text-align:center;">22 July 1982</td> <td>1 July 2013 </td></tr> <tr> <td>110</td> <td>75</td> <td><i><a href="/wiki/Meglos#In_print" title="Meglos">Meglos</a></i></td> <td data-sort-value="Dicks, Terrance"><a href="/wiki/Terrance_Dicks" title="Terrance Dicks">Terrance Dicks</a></td> <td>17 February 1983</td> <td>19 May 1983</td> <td>1 July 2021 </td></tr> <tr> <td>111</td> <td>26</td> <td><i><a href="/wiki/Full_Circle_(Doctor_Who)#In_print" title="Full Circle (Doctor Who)">Full Circle</a></i></td> <td data-sort-value="Smith, Andrew"><a href="/wiki/Andrew_Smith_(Doctor_Who_writer)" class="mw-redirect" title="Andrew Smith (Doctor Who writer)">Andrew Smith</a></td> <td colspan="2" style="text-align:center;">16 September 1982</td> <td>15 January 2015 </td></tr> <tr> <td rowspan="2">112</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td><i><a href="/wiki/State_of_Decay_(Doctor_Who)#In_print" title="State of Decay (Doctor Who)">State of Decay</a></i><sup id="cite_ref-AudioEx_30-0" class="reference"><a href="#cite_note-AudioEx-30"><span class="cite-bracket">[</span>e<span class="cite-bracket">]</span></a></sup></td> <td rowspan="2" data-sort-value="Dicks, Terrance">Terrance Dicks</td> <td colspan="2" align="center" data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="1 June 1981">June 1981<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>f<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>58</td> <td><i><a href="/wiki/State_of_Decay_(Doctor_Who)#In_print" title="State of Decay (Doctor Who)">Doctor Who and the State of Decay</a></i></td> <td>17 September 1981</td> <td>14 January 1982</td> <td>7 January 2016 </td></tr> <tr> <td rowspan="2">113</td> <td>71</td> <td><i><a href="/wiki/Warriors%27_Gate#In_print" title="Warriors' Gate">Doctor Who and Warriors' Gate</a></i></td> <td rowspan="2" data-sort-value="Gallagher, Stephen"><a href="/wiki/Stephen_Gallagher" title="Stephen Gallagher">Stephen Gallagher</a> <span style="font-size:85%;">(as John Lydecker)<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>g<span class="cite-bracket">]</span></a></sup></span></td> <td colspan="2" style="text-align:center;">15 April 1982</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td><i><a href="/wiki/Warriors%27_Gate#In_print" title="Warriors' Gate">Warriors' Gate</a></i><sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>h<span class="cite-bracket">]</span></a></sup></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>13 July 2023<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup></td> <td>4 April 2019 </td></tr> <tr> <td>114</td> <td>37</td> <td><i><a href="/wiki/The_Keeper_of_Traken#In_print" title="The Keeper of Traken">Doctor Who and the Keeper of Traken</a></i></td> <td data-sort-value="Dicks, Terrance">Terrance Dicks</td> <td colspan="2" style="text-align:center;">20 May 1982</td> <td>1 October 2020 </td></tr> <tr> <td>115</td> <td>41</td> <td><i><a href="/wiki/Logopolis#In_print" title="Logopolis">Logopolis</a></i></td> <td data-sort-value="Bidmead, Christopher H."><a href="/wiki/Christopher_H._Bidmead" title="Christopher H. Bidmead">Christopher H. Bidmead</a></td> <td colspan="2" style="text-align:center;">21 October 1982</td> <td>4 February 2010 </td></tr> </tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text">Number in <a href="/wiki/Target_Books" title="Target Books">Target</a>'s <i>Doctor Who Library</i>, if applicable</span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text">Published by <a href="/wiki/Target_Books" title="Target Books">Target</a>'s parent companies (Allen Wingate, <a href="/wiki/W._H._Allen_%26_Co." title="W. H. Allen & Co.">W. H. Allen</a>, <a href="/wiki/BBC_Books" title="BBC Books">BBC Books</a>) unless otherwise indicated</span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text">Published by <a href="/wiki/Target_Books" title="Target Books">Target Books</a> (or by BBC Books under the <i>Target Collection</i> umbrella) unless otherwise indicated</span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text">Unabridged from <a href="/wiki/AudioGo" class="mw-redirect" title="AudioGo">BBC Audio/AudioGo</a> unless otherwise indicated</span> </li> <li id="cite_note-AudioEx-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-AudioEx_30-0">^</a></b></span> <span class="reference-text">Original novelisation exclusive to audio</span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><b><a href="#cite_ref-31">^</a></b></span> <span class="reference-text">Published by Pickwick Talking Books</span> </li> <li id="cite_note-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-32">^</a></b></span> <span class="reference-text">Print version of the expanded edition is credited solely to Gallagher</span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</a></b></span> <span class="reference-text">Expanded and restored original version as submitted to Target before John Nathan-Turner demanded that it match the transmitted version more closely. Print version is titled <i>Warriors' Gate and Beyond</i> as it includes two short stories.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=10" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">Spelt "K.9" in the credits of <i><a href="/wiki/Meglos" title="Meglos">Meglos</a></i> and <i><a href="/wiki/Full_Circle_(Doctor_Who)" title="Full Circle (Doctor Who)">Full Circle</a></i></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=11" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFSawdey2009" class="citation web cs1">Sawdey, Evan (10 June 2009). <a rel="nofollow" class="external text" href="https://www.popmatters.com/94779-doctor-who-the-e-space-trilogy-2496034839.html">"Doctor Who: The E-Space Trilogy, PopMatters"</a>. <i>PopMatters</i><span class="reference-accessdate">. Retrieved <span class="nowrap">28 December</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=PopMatters&rft.atitle=Doctor+Who%3A+The+E-Space+Trilogy%2C+PopMatters&rft.date=2009-06-10&rft.aulast=Sawdey&rft.aufirst=Evan&rft_id=https%3A%2F%2Fwww.popmatters.com%2F94779-doctor-who-the-e-space-trilogy-2496034839.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://www.amazon.com/Doctor-Who-Beginnings-Logopolis-Castrovalva/dp/B000LE1HLQ/ref=sr_1_8?crid=2G3C1X6Z2HS7&keywords=castrovalva&qid=1640703993&s=movies-tv&sprefix=castrovalva,movies-tv,58&sr=1-8"><i>Doctor Who: New Beginnings (The Keeper of the Traken/Logopolis/Castrovalva). Region 2 DVD</i></a><span class="reference-accessdate">, retrieved <span class="nowrap">28 December</span> 2021</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Doctor+Who%3A+New+Beginnings+%28The+Keeper+of+the+Traken%2FLogopolis%2FCastrovalva%29.+Region+2+DVD&rft_id=https%3A%2F%2Fwww.amazon.com%2FDoctor-Who-Beginnings-Logopolis-Castrovalva%2Fdp%2FB000LE1HLQ%2Fref%3Dsr_1_8%3Fcrid%3D2G3C1X6Z2HS7%26keywords%3Dcastrovalva%26qid%3D1640703993%26s%3Dmovies-tv%26sprefix%3Dcastrovalva%2Cmovies-tv%2C58%26sr%3D1-8&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-AllRatings-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-AllRatings_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-AllRatings_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://guide.doctorwhonews.net/info.php?detail=ratings&type=date">"Ratings Guide"</a>. <i>Doctor Who News</i><span class="reference-accessdate">. Retrieved <span class="nowrap">27 December</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Doctor+Who+News&rft.atitle=Ratings+Guide&rft_id=http%3A%2F%2Fguide.doctorwhonews.net%2Finfo.php%3Fdetail%3Dratings%26type%3Ddate&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTESmith2014The_Leisure_Hive-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTESmith2014The_Leisure_Hive_5-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFSmith2014">Smith 2014</a>, The Leisure Hive.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fishpond.com.au/Movies/Doctor-Who-Leisure-Hive/9397810088399">"The Doctor Who - Leisure Hive by Roadshow Home Ent - Shop Online for Movies, DVDs in Australia"</a>. <i>Fishpond</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20171116185617/https://www.fishpond.com.au/Movies/Doctor-Who-Leisure-Hive/9397810088399">Archived</a> from the original on 16 November 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Fishpond&rft.atitle=The+Doctor+Who+-+Leisure+Hive+by+Roadshow+Home+Ent+-+Shop+Online+for+Movies%2C+DVDs+in+Australia&rft_id=https%3A%2F%2Fwww.fishpond.com.au%2FMovies%2FDoctor-Who-Leisure-Hive%2F9397810088399&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amazon.com/dp/B0007VY47C">"Doctor Who: The Leisure Hive"</a>. 7 June 2005. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211108042550/https://www.amazon.com/dp/B0007VY47C">Archived</a> from the original on 8 November 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span> – via Amazon.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Doctor+Who%3A+The+Leisure+Hive&rft.date=2005-06-07&rft_id=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB0007VY47C&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTESmith2014Meglos-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTESmith2014Meglos_8-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFSmith2014">Smith 2014</a>, Meglos.</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fishpond.com.au/Movies/Doctor-Who-Meglos-Tom-Baker/9397810206397">"Doctor Who Meglos by Roadshow Entertainment - Shop Online for Movies, DVDs in Australia"</a>. <i>Fishpond</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20171116184758/https://www.fishpond.com.au/Movies/Doctor-Who-Meglos-Tom-Baker/9397810206397">Archived</a> from the original on 16 November 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Fishpond&rft.atitle=Doctor+Who+Meglos+by+Roadshow+Entertainment+-+Shop+Online+for+Movies%2C+DVDs+in+Australia&rft_id=https%3A%2F%2Fwww.fishpond.com.au%2FMovies%2FDoctor-Who-Meglos-Tom-Baker%2F9397810206397&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amazon.com/dp/B00272NJ66">"Doctor Who: Meglos"</a>. 11 January 2011. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210508200617/http://www.amazon.com/dp/B00272NJ66">Archived</a> from the original on 8 May 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span> – via Amazon.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Doctor+Who%3A+Meglos&rft.date=2011-01-11&rft_id=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB00272NJ66&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTESmith2014Full_Circle-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTESmith2014Full_Circle_12-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFSmith2014">Smith 2014</a>, Full Circle.</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fishpond.com.au/Movies/Doctor-Who-John-Leeson/9397810163591">"Doctor Who by Roadshow Entertainment - Shop Online for Movies, DVDs in Australia"</a>. <i>Fishpond</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20171116184922/https://www.fishpond.com.au/Movies/Doctor-Who-John-Leeson/9397810163591">Archived</a> from the original on 16 November 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Fishpond&rft.atitle=Doctor+Who+by+Roadshow+Entertainment+-+Shop+Online+for+Movies%2C+DVDs+in+Australia&rft_id=https%3A%2F%2Fwww.fishpond.com.au%2FMovies%2FDoctor-Who-John-Leeson%2F9397810163591&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amazon.com/dp/B001P7YD8W">"Doctor Who: The E-Space Trilogy"</a>. 5 May 2009. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211108042523/https://www.amazon.com/dp/B001P7YD8W">Archived</a> from the original on 8 November 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span> – via Amazon.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Doctor+Who%3A+The+E-Space+Trilogy&rft.date=2009-05-05&rft_id=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB001P7YD8W&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTESmith2014The_Keeper_of_Traken-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTESmith2014The_Keeper_of_Traken_16-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFSmith2014">Smith 2014</a>, The Keeper of Traken.</span> </li> <li id="cite_note-KeeperTrakenR4-17"><span class="mw-cite-backlink">^ <a href="#cite_ref-KeeperTrakenR4_17-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-KeeperTrakenR4_17-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fishpond.com.au/Movies/Doctor-Who-New-Beginnings/9397810129795">"Doctor Who New Beginnings by Roadshow Entertainment - Shop Online for Movies, DVDs in Australia"</a>. <i>Fishpond</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20171116184920/https://www.fishpond.com.au/Movies/Doctor-Who-New-Beginnings/9397810129795">Archived</a> from the original on 16 November 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Fishpond&rft.atitle=Doctor+Who+New+Beginnings+by+Roadshow+Entertainment+-+Shop+Online+for+Movies%2C+DVDs+in+Australia&rft_id=https%3A%2F%2Fwww.fishpond.com.au%2FMovies%2FDoctor-Who-New-Beginnings%2F9397810129795&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amazon.com/dp/B000NJXG7M">"Doctor Who: The Keeper of Traken"</a>. 5 June 2007. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210125104046/http://www.amazon.com/dp/B000NJXG7M">Archived</a> from the original on 25 January 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span> – via Amazon.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Doctor+Who%3A+The+Keeper+of+Traken&rft.date=2007-06-05&rft_id=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000NJXG7M&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTESmith2014Logopolis-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTESmith2014Logopolis_20-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFSmith2014">Smith 2014</a>, Logopolis.</span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amazon.com/dp/B000NJXG7W">"Doctor Who: Logopolis"</a>. 5 June 2007. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210128121713/http://www.amazon.com/dp/B000NJXG7W">Archived</a> from the original on 28 January 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">16 November</span> 2017</span> – via Amazon.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Doctor+Who%3A+Logopolis&rft.date=2007-06-05&rft_id=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000NJXG7W&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-Complete_Season_18_R2-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-Complete_Season_18_R2_23-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amazon.co.uk/Doctor-Who-Collection-Limited-Packaging/dp/B07KTKVLT2">"Doctor Who - The Collection - Season 18 - Limited Edition Packaging [Blu-ray] [2019]"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181128110518/https://www.amazon.co.uk/Doctor-Who-Collection-Limited-Packaging/dp/B07KTKVLT2">Archived</a> from the original on 28 November 2018<span class="reference-accessdate">. Retrieved <span class="nowrap">27 November</span> 2018</span> – via Amazon.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Doctor+Who+-+The+Collection+-+Season+18+-+Limited+Edition+Packaging+%5BBlu-ray%5D+%5B2019%5D&rft_id=https%3A%2F%2Fwww.amazon.co.uk%2FDoctor-Who-Collection-Limited-Packaging%2Fdp%2FB07KTKVLT2&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-Complete_Season_18_R4-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-Complete_Season_18_R4_24-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.jbhifi.com.au/movies-tv-shows/movies-tv-shows-on-sale/tv-sci-fi/doctor-who-classic-season-18/364506/">"Doctor Who: Classic Season 18"</a>. JB Hi-Fi. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190416052219/https://www.jbhifi.com.au/movies-tv-shows/movies-tv-shows-on-sale/tv-sci-fi/doctor-who-classic-season-18/364506/">Archived</a> from the original on 16 April 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">16 April</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Doctor+Who%3A+Classic+Season+18&rft.pub=JB+Hi-Fi&rft_id=https%3A%2F%2Fwww.jbhifi.com.au%2Fmovies-tv-shows%2Fmovies-tv-shows-on-sale%2Ftv-sci-fi%2Fdoctor-who-classic-season-18%2F364506%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-Complete_Season_18_R1-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-Complete_Season_18_R1_25-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><i>Doctor Who - Tom Baker: Complete Season Seven [Blu-ray] [2019]</i>. <a href="/wiki/ASIN_(identifier)" class="mw-redirect" title="ASIN (identifier)">ASIN</a> <a rel="nofollow" class="external text" href="https://www.amazon.com/dp/6317626030">6317626030</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Doctor+Who+-+Tom+Baker%3A+Complete+Season+Seven+%5BBlu-ray%5D+%5B2019%5D&rft_id=https%3A%2F%2Fwww.amazon.com%2Fdp%2F6317626030%23id-name%3DASIN&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-33"><span class="mw-cite-backlink"><b><a href="#cite_ref-33">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.doctorwho.tv/news-and-features/five-stories-join-the-target-book-range-for-its-fiftieth-year">"Five stories join the Target book range for its 50th year | Doctor Who"</a>. <i>www.doctorwho.tv</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.doctorwho.tv&rft.atitle=Five+stories+join+the+Target+book+range+for+its+50th+year+%26%23124%3B+Doctor+Who&rft_id=https%3A%2F%2Fwww.doctorwho.tv%2Fnews-and-features%2Ffive-stories-join-the-target-book-range-for-its-fiftieth-year&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><b><a href="#cite_ref-35">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGallagher2023" class="citation book cs1">Gallagher, Stephen (13 July 2023). <a rel="nofollow" class="external text" href="https://www.penguin.co.uk/books/457717/doctor-who-warriors-gate-target-collection-by-gallagher-stephen/9781785948510"><i>Doctor Who: Warriors' Gate (Target Collection)</i></a> – via <a href="/wiki/Penguin.co.uk" class="mw-redirect" title="Penguin.co.uk">Penguin.co.uk</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Doctor+Who%3A+Warriors%27+Gate+%28Target+Collection%29&rft.date=2023-07-13&rft.aulast=Gallagher&rft.aufirst=Stephen&rft_id=https%3A%2F%2Fwww.penguin.co.uk%2Fbooks%2F457717%2Fdoctor-who-warriors-gate-target-collection-by-gallagher-stephen%2F9781785948510&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Bibliography">Bibliography</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Doctor_Who_season_18&action=edit&section=12" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239549316">.mw-parser-output .refbegin{margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li{margin-left:0;padding-left:3.2em;text-indent:-3.2em}.mw-parser-output .refbegin-hanging-indents ul,.mw-parser-output .refbegin-hanging-indents ul li{list-style:none}@media(max-width:720px){.mw-parser-output .refbegin-hanging-indents>ul>li{padding-left:1.6em;text-indent:-1.6em}}.mw-parser-output .refbegin-columns{margin-top:0.3em}.mw-parser-output .refbegin-columns ul{margin-top:0}.mw-parser-output .refbegin-columns li{page-break-inside:avoid;break-inside:avoid-column}@media screen{.mw-parser-output .refbegin{font-size:90%}}</style><div class="refbegin" style=""> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSmith2014" class="citation book cs1">Smith, Paul (2014). <i>The Classic Doctor Who DVD Compendium</i>. United Kingdom: Wonderful Books. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-9576062-2-7" title="Special:BookSources/978-0-9576062-2-7"><bdi>978-0-9576062-2-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Classic+Doctor+Who+DVD+Compendium&rft.place=United+Kingdom&rft.pub=Wonderful+Books&rft.date=2014&rft.isbn=978-0-9576062-2-7&rft.aulast=Smith&rft.aufirst=Paul&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADoctor+Who+season+18" class="Z3988"></span></li></ul> </div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline 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ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Doctor_Who_episodes" title="Template:Doctor Who episodes"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Doctor_Who_episodes" title="Template talk:Doctor Who episodes"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Doctor_Who_episodes" title="Special:EditPage/Template:Doctor Who episodes"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Doctor_Who_episodes" style="font-size:114%;margin:0 4em"><i><a href="/wiki/Doctor_Who" title="Doctor Who">Doctor Who</a></i> episodes</div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <dl><dt><a href="/wiki/List_of_Doctor_Who_episodes_(1963%E2%80%931989)" title="List of Doctor Who episodes (1963–1989)">Original series (1963–1989, 1996)</a></dt> <dd><a href="/wiki/Doctor_Who_season_1" title="Doctor Who season 1">Season 1</a></dd> <dd><a href="/wiki/Doctor_Who_season_2" title="Doctor Who season 2">2</a></dd> <dd><a href="/wiki/Doctor_Who_season_3" title="Doctor Who season 3">3</a></dd> <dd><a href="/wiki/Doctor_Who_season_4" title="Doctor Who season 4">4</a></dd> <dd><a href="/wiki/Doctor_Who_season_5" title="Doctor Who season 5">5</a></dd> <dd><a href="/wiki/Doctor_Who_season_6" title="Doctor Who season 6">6</a></dd> <dd><a href="/wiki/Doctor_Who_season_7" title="Doctor Who season 7">7</a></dd> <dd><a href="/wiki/Doctor_Who_season_8" title="Doctor Who season 8">8</a></dd> <dd><a href="/wiki/Doctor_Who_season_9" title="Doctor Who season 9">9</a></dd> <dd><a href="/wiki/Doctor_Who_season_10" title="Doctor Who season 10">10</a></dd> <dd><a href="/wiki/Doctor_Who_season_11" title="Doctor Who season 11">11</a></dd> <dd><a href="/wiki/Doctor_Who_season_12" title="Doctor Who season 12">12</a></dd> <dd><a href="/wiki/Doctor_Who_season_13" title="Doctor Who season 13">13</a></dd> <dd><a href="/wiki/Doctor_Who_season_14" title="Doctor Who season 14">14</a></dd> <dd><a href="/wiki/Doctor_Who_season_15" title="Doctor Who season 15">15</a></dd> <dd><a href="/wiki/Doctor_Who_season_16" title="Doctor Who season 16">16</a></dd> <dd><a href="/wiki/Doctor_Who_season_17" title="Doctor Who season 17">17</a></dd> <dd><a class="mw-selflink selflink">18</a></dd> <dd><a href="/wiki/Doctor_Who_season_19" title="Doctor Who season 19">19</a></dd> <dd><a href="/wiki/Doctor_Who_season_20" title="Doctor Who season 20">20</a></dd> <dd><a href="/wiki/Doctor_Who_season_21" title="Doctor Who season 21">21</a></dd> <dd><a href="/wiki/Doctor_Who_season_22" title="Doctor Who season 22">22</a></dd> <dd><a href="/wiki/Doctor_Who_season_23" title="Doctor Who season 23">23</a></dd> <dd><a href="/wiki/Doctor_Who_season_24" title="Doctor Who season 24">24</a></dd> <dd><a href="/wiki/Doctor_Who_season_25" title="Doctor Who season 25">25</a></dd> <dd><a href="/wiki/Doctor_Who_season_26" title="Doctor Who season 26">26</a></dd> <dd><a href="/wiki/Doctor_Who_(film)" title="Doctor Who (film)">Film</a></dd> <dd><a href="/wiki/Doctor_Who_missing_episodes" title="Doctor Who missing episodes">Missing episodes</a></dd></dl> <dl><dt><a href="/wiki/List_of_Doctor_Who_episodes_(2005%E2%80%93present)" title="List of Doctor Who episodes (2005–present)">Revived series (2005–present)</a></dt> <dd><a href="/wiki/Doctor_Who_series_1" title="Doctor Who series 1">Series 1</a></dd> <dd><a href="/wiki/Doctor_Who_series_2" title="Doctor Who series 2">2</a></dd> <dd><a href="/wiki/Doctor_Who_series_3" title="Doctor Who series 3">3</a></dd> <dd><a href="/wiki/Doctor_Who_series_4" title="Doctor Who series 4">4</a></dd> <dd><a href="/wiki/Doctor_Who_specials_(2008%E2%80%932010)" title="Doctor Who specials (2008–2010)">2008–2010 specials</a></dd> <dd><a href="/wiki/Doctor_Who_series_5" title="Doctor Who series 5">5</a></dd> <dd><a href="/wiki/Doctor_Who_series_6" title="Doctor Who series 6">6</a></dd> <dd><a href="/wiki/Doctor_Who_series_7" title="Doctor Who series 7">7</a></dd> <dd><a href="/wiki/Doctor_Who_specials_(2013)" title="Doctor Who specials (2013)">2013 specials</a></dd> <dd><a href="/wiki/Doctor_Who_series_8" title="Doctor Who series 8">8</a></dd> <dd><a href="/wiki/Doctor_Who_series_9" title="Doctor Who series 9">9</a></dd> <dd><a href="/wiki/Doctor_Who_series_10" title="Doctor Who series 10">10</a></dd> <dd><a href="/wiki/Doctor_Who_series_11" title="Doctor Who series 11">11</a></dd> <dd><a href="/wiki/Doctor_Who_series_12" title="Doctor Who series 12">12</a></dd> <dd><a href="/wiki/Doctor_Who_series_13" title="Doctor Who series 13">13</a></dd> <dd><a href="/wiki/Doctor_Who_specials_(2022)" title="Doctor Who specials (2022)">2022 specials</a></dd> <dd><a href="/wiki/Doctor_Who_specials_(2023)" title="Doctor Who specials (2023)">2023 specials</a></dd> <dd><a href="/wiki/Doctor_Who_series_14" title="Doctor Who series 14">14</a></dd> <dd><a href="/wiki/Doctor_Who_series_15" title="Doctor Who series 15">15</a></dd></dl> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Season 18</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/The_Leisure_Hive" title="The Leisure Hive">The Leisure Hive</a></i></li> <li><i><a href="/wiki/Meglos" title="Meglos">Meglos</a></i></li> <li><i><a href="/wiki/Full_Circle_(Doctor_Who)" title="Full Circle (Doctor Who)">Full Circle</a></i></li> <li><i><a href="/wiki/State_of_Decay_(Doctor_Who)" title="State of Decay (Doctor Who)">State of Decay</a></i></li> <li><i><a href="/wiki/Warriors%27_Gate" title="Warriors' Gate">Warriors' Gate</a></i></li> <li><i><a href="/wiki/The_Keeper_of_Traken" title="The Keeper of Traken">The Keeper of Traken</a></i></li> <li><i><a href="/wiki/Logopolis" title="Logopolis">Logopolis</a></i></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img 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