25 May (releases)


 * 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.
 * 2016 - The Doctor Who: The Tenth Doctor comic story The Infinite Corridor and part twenty one of A Rose by Any Other Name were first published.
 * 2017 - Toby Hadoke's Who's Round 201 was released online.