On 23 February, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1974 - Part one of Death to the Daleks was first broadcast on BBC1.
- 1974 - Part four of the TV Comic story The Disintegrator was first published.
- 1982 - Part four of The Visitation was first broadcast on BBC1.
- 1983 - Part four of Terminus was first broadcast on BBC1.
- 1984 - Part one of Planet of Fire was first broadcast on BBC1.
- 1985 - Both part two of The Two Doctors and the sketch A Fix with Sontarans were broadcast on BBC1.
- 2007 - The Doctor Who: Battles in Time trading card set Annihilator was first released in the magazine Doctor Who: Battles in Time.
- 2011 - DWDVDF 56 was first published by GE Fabbri Ltd.
- 2012 - The Doctor Who Adventures comic story The Fairest of Them All was first published.
- 2013 - The Puffin eshort The Nameless City was first released by Puffin Books.
- 2017 - Casualties of War was released by Big Finish Productions.