On 6 December, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1975 - Part three of The Android Invasion was first broadcast on BBC1.
- 1975 - Part one of the TV Comic story The Dalek Revenge was first published.
- 1979 - DWM 9 was first released by Marvel Comics.
- 1986 - Part two of The Ultimate Foe was first broadcast on BBC1.
- 1989 - Part three of Survival was first broadcast on BBC1, concluding the original series of Doctor Who.
- 2007 - Part one of the Doctor Who Adventures comic story A Klytode Christmas was first published.
- 2009 - Part one of The Advent of Fear was first published online.
- 2010 - The Pandorica Opens: Exploring the worlds of the Eleventh Doctor was first published by Classic TV Press.
- 2011 - The prequel to The Doctor, the Widow and the Wardrobe was released online.
- 2012 - Snake Bite was first released by AudioGO.
- 2012 - The Doctor Who Adventures comic story On the Cards was first published.
- 2014 - Toby Hadoke's Who's Round 85 was released online.
- 2018 - Choose Your Future Journal was first published by BBC Children's Books.