On 9 December, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1967 - Episode five of The Ice Warriors was first broadcast on BBC1.
- 1967 - Part three of the TV Comic story Flower Power was first published.
- 1972 - Part two of the TV Action comic story Zeron Invasion was first published.
- 1978 - Episode three of The Androids of Tara was first broadcast on BBC1.
- 1978 - Part five of the TV Comic story The Wanderers was reprinted as a Fourth Doctor story.
- 1982 - Doctor Who Crossword Book was first published by Target Books.
- 1982 - DWM 72 was first released by Marvel Comics.
- 1989 - The Incredible Hulk Presents comic story The Enlightenment of Ly-Chee the Wise was first published.
- 1992 - DWCC 1 was first published by Marvel Comics.
- 2004 - DWM 351 was first published by Panini Comics. The magazine included two Big Finish audio dramas: The Coup and Silver Lining.
- 2008 - Monster File: Christmas was first released online.
- 2009 - Death in Blackpool and Mission to Magnus were first released by Big Finish Productions.
- 2010 - DWA 196 was first released by Immediate Media Company London Limited.
- 2010 - Part one of Snowfall was first published online.
- 2010 - Erasing Sherlock was released as an eBook.
- 2011 - The Children of Seth and Beyond the Ultimate Adventure were released by Big Finish.
- 2013 - Doctor Who - The 50th Anniversary Collection was first released.
- 2014 - Toby Hadoke's Who's Round 88 was released online.
- 2015 - Theatre of War and All-Consuming Fire were first released by Big Finish.
- 2016 - Toby Hadoke's Who's Round 197 was released online.
- 2018 - The Battle of Ranskoor Av Kolos was first broadcast on BBC One.
- 2020 - Mutually Assured Destruction was first released by Big Finish.
- 2021 - The audiobook version of The Underwater Menace was first released by BBC Audio.
- 2021 - DWM 572 was first released by Panini Comics.