6 January (releases)

* 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 .
* 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.
* 2022 - London, 1965 and the audiobook version of Time and the Rani were first released by BBC Audio.
* 2022 - DWM 573 was first released by Panini Comics.
* 2022 - The audiobook version of The Weather on Versimmon was first released by Big Finish.