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On 1月27日, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Episode six of The Enemy of the World was first broadcast on BBC1.
- 1968 - Part five of the TV Comic story The Witches was first published.
- 1973 - Episode one of Carnival of Monsters was first broadcast on BBC1.
- 1973 - Part two of the TV Action comic story Deadly Choice was first published.
- 1979 - Part two of The Armageddon Factor was first broadcast on BBC1.
- 1979 - Part seven of the TV Comic story The Metal-Eaters was reprinted as a Fourth Doctor story.
- 1984 - Part two of Frontios was first broadcast on BBC1.
- 1996 - Episode two of The Ghosts of N-Space was first broadcast on BBC Radio.
- 2010 - DWDVDF 28 was first published by GE Fabbri Ltd.
- 2011 - DWA 202 was first released by BBC Magazines.
- 2013 - The Doctors Revisited - First Doctor was first broadcast on BBC America, followed by a rebroadcast of the First Doctor story The Aztecs.
- 2016 - Part two of the Doctor Who: The Tenth Doctor comic story Medicine Man was first published.
- 2016 - TCH 5 was first released by Hachette Partworks.
- 2020 - The Collection: Season 26 was first released on Blu-ray.
- 2021 - The Diary of River Song: Series Eight was first released by Big Finish.