20 November (releases)


 * 1965 - "Day of Armageddon" was first broadcast on BBC1.
 * 1965 - Part four of the TV Comic story Enter: The Go-Ray was first published.
 * 1971 - Part one of The Eternal Present was first published in Countdown.
 * 1975 - The novelisation of The Three Doctors was first published by Target Books.
 * 1975 - The Doctor Who Monster Book was first published by Target Books.
 * 1976 - Part four of The Deadly Assassin was first broadcast on BBC1.
 * 1976 - Part four of the TV Comic story Double Trouble was first published.
 * 2003 - Episode two of Scream of the Shalka was first released online.
 * 2003 - The Winning Side was first published by Telos Publishing.
 * 2003 - Frayed and The Eye of the Tyger were first published by Telos Publishing.
 * 2006 - The Country Club aired on BBC Three.
 * 2008 - Pack Animals and SkyPoint were first published by BBC Books.
 * 2008 - Part two of the Doctor Who Adventures comic story Time Flies was first published.
 * 2009 - Part two of The Gift was first broadcast on CBBC.
 * 2009 - The anthology Wildthyme in Purple was first published by Obverse Books.
 * 2013 - The Last Day was first released on iTunes.
 * 2013 - Prisoners of Time 12 was first published by IDW Publishing.
 * 2015 - The Other Woman was first released by Big Finish.
 * 2016 - Detained was first released on BBC Three.