On 23 May, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1964 - "The Temple of Evil" was first broadcast on BBC1.
- 1970 - Episode three of Inferno was first broadcast on BBC1.
- 1970 - Part three of the TV Comic story The Metal Eaters was first published.
- 1988 - The Timelords released the single "Doctorin' the Tardis".
- 2003 - Episode four of Shada's webcast adaptation was first released online.
- 2008 - The Spaceport exhibition The Art of Doctor Who was opened.
- 2009 - A Doctor Who-themed Tonight's the Night sketch first aired on BBC One.
- 2009 - The Cannibalists: Part 2 was first released in Big Finish's Eighth Doctor Adventures Series 3.
- 2013 - The Puffin eshort Tip of the Tongue was first published by Puffin Books.
- 2013 - Dr. Who and the Daleks was released to VOD with added comedy commentary by RiffTrax.
- 2013 - DWA 321 was first released by Immediate Media Company London Limited.
- 2016 - Top Trumps (pack 9) was first released by Winning Moves UK Ltd.
- 2017 - Assembled was first released by Big Finish Productions.
- 2020 - Doctors Assemble! was first released online.
- 2020 - Regeneration Impossible was first released by Big Finish.
- 2022 - Eve of the Daleks and Legend of the Sea Devils were released together on DVD and Blu-ray.