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On 1月13日, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Episode four of The Enemy of the World was first broadcast on BBC1.
- 1968 - Part three of the TV Comic story The Witches was first published.
- 1973 - Episode three of The Three Doctors was first broadcast on BBC1.
- 1973 - Part seven of the TV Action comic story Zeron Invasion was first published.
- 1979 - Part four of The Power of Kroll was first broadcast on BBC1.
- 1979 - Part five of the TV Comic story The Metal-Eaters was reprinted as a Fourth Doctor story.
- 1983 - DWM 73 was first released by Marvel Comics.
- 1984 - Part four of Warriors of the Deep was first broadcast on BBC1.
- 1992 - The Caves of Androzani and Robot were released on VHS.
- 1998 - Timelash was released on VHS.
- 2000 - DWM 287 was first released by Panini Comics.
- 2010 - DWDVDF 27 was first published by GE Fabbri Ltd.
- 2011 - DWA 200 was first released by BBC Magazines.
- 2011 - DWM 430 was first released by Panini Comics.
- 2015 - The Romance of Crime and The English Way of Death were first released by Big Finish Productions.
- 2016 - The Isos Network was first released by Big Finish.
- 2016 - Truth or Consequences was first published to the Doctor Who Facebook page.
- 2021 - Coffee was first released by Big Finish.