The BBC broadcasts <i id="mwuw"><a href="https://en.wikipedia.org/wiki/An_Unearthly_Child" id="mwvA" rel="mw:WikiLink" title="An Unearthly Child">An Unearthly Child</a></i> (starring <a href="https://en.wikipedia.org/wiki/William_Hartnell" id="mwvQ" rel="mw:WikiLink" title="William Hartnell">William Hartnell</a>), the first episode of the  first story from the first series of <i id="mwvg"><a href="https://en.wikipedia.org/wiki/Doctor_Who" id="mwvw" rel="mw:WikiLink" title="Doctor Who">Doctor Who</a></i>, which is now the world's longest running science fiction drama.<sup about="#mwt55" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-10"}}' id="cite_ref-10" rel="dc:references" typeof="mw:Extension/ref"><a href="./November_23#cite_note-10" id="mwwA" style="counter-reset: mw-Ref 10;"><span class="mw-reflink-text" id="mwwQ">[10]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-10"><cite about="#mwt52" class="citation web cs1" id="mwB8k"><a class="external text" href="https://www.bbc.com/historyofthebbc/anniversaries/november/doctor-who-first-episode" id="mwB8o" rel="mw:ExtLink nofollow">"Doctor Who first episode 23 November 1963"</a>. <a href="./BBC" id="mwB8s" rel="mw:WikiLink" title="BBC">BBC</a><span class="reference-accessdate" id="mwB8w">. Retrieved <span class="nowrap" id="mwB80">17 April</span> 2020</span>.</cite><span about="#mwt52" class="Z3988" id="mwB84" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Doctor+Who+first+episode+23+November+1963&amp;rft.pub=BBC&amp;rft_id=https%3A%2F%2Fwww.bbc.com%2Fhistoryofthebbc%2Fanniversaries%2Fnovember%2Fdoctor-who-first-episode&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ANovember+23"></span></span>