On 25 May, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Episode five of The Wheel in Space was first broadcast on BBC1.
- 1968 - Part five of the TV Comic story The Dyrons was first published.
- 1974 - Part four of Planet of the Spiders was first broadcast on BBC1.
- 1974 - Part two of the TV Comic story Size Control was first published.
- 1994 - DWCC 20 was first published by Marvel Comics.
- 2006 - Aliens and Enemies was first published by BBC Books.
- 2006 - TDW 7 aired on BBC One.
- 2006 - Activity Book and Regeneration Sticker Guide were first published by Penguin Character Books.
- 2007 - TDW 20, including episode seven of The Infinite Quest, first aired on CBBC.
- 2008 - Part one of the Doctor Who Adventures comic story The Continuity Cap was first published.