On 6 January, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Episode three of The Enemy of the World was first broadcast on BBC1.
- 1968 - Part two of the TV Comic story The Witches was first published.
- 1973 - Episode two of The Three Doctors was first broadcast on BBC1.
- 1973 - Part six of the TV Action comic story Zeron Invasion was first published.
- 1975 - The stage play Doctor Who and the Daleks in Seven Keys to Doomsday gave its final performance at the Adelphiatre.
- 1979 - Part three of The Power of Kroll was first broadcast on BBC1.
- 1979 - Part four of the TV Comic story The Metal-Eaters was reprinted as a Fourth Doctor story.
- 1984 - Part two of Warriors of the Deep was first broadcast on BBC1.
- 1993 - DWCC 2 was first published by Marvel Comics.
- 1997 - The Leisure Hive was released on VHS.
- 2005 - DWM 352 was first released by Panini Comics.
- 2008 - Two exhibitions named "Doctor Who Up Close" were closed, namely the one in Manchester and the one in Leicester.
- 2009 - Four to Doomsday and The War Machines were released on Region 1 DVD.
- 2011 - DWA 199 was first released by BBC Magazines.
- 2021 - The audiobook version of The Big Hunt was first released by Big Finish Productions.
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