23 May (releases)


 * 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 - released the single "Doctorin' the Tardis".
 * 2003 - Episode four of Shada's webcast adaptation was first released online.
 * 2008 - The exhibition The Art of Doctor Who was opened.
 * 2009 - A Doctor Who-themed Tonight's the Night sketch first aired on BBC One.
 * 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 - The Doctor Who Adventures comic story Line of Battle was first published.
 * 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.