On 23 January, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1965 - "All Roads Lead to Rome" was first broadcast on BBC1.
- 1965 - Part one of the comic story Genesis of Evil was first published in TV Century 21 #1.
- 1971 - Episode four of Terror of the Autons was first broadcast on BBC1.
- 1971 - Part six of the TV Comic story The Kingdom Builders was first published.
- 1975 - Part one of The Ark in Space was first broadcast on BBC1.
- 1980 - Part eight of the Doctor Who Weekly comic story City of the Damned and part one of Deathworld were first published.
- 1980 - Part one of the Doctor Who Weekly backup comic story Deathworld was first released.
- 1992 - The novelisation of The Nightmare Fair was reissued by Target Books. It was the only volume of the "Missing Adventures" line to be republished by Target.
- 2008 - The Doctor Who: Battles in Time comic story Android of Death was first published.
- 2008 - Sleeper was first broadcast on BBC Two, followed by Home and Hart.
- 2013 - The Puffin eshort short story A Big Hand for the Doctor was first released by Puffin Books.
- 2013 - DWDVDF 106 was first published by GE Fabbri Ltd.
- 2017 - Graceless IV was first released by Big Finish Productions.