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On 3月23日, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Episode two of Fury from the Deep was first broadcast on BBC1.
- 1968 - Part four of the TV Comic story The Sabre-Toothed Gorillas was first published.
- 1974 - Episode one of The Monster of Peladon was first broadcast on BBC1.
- 1974 - Part three of the TV Comic story Is Anyone There? was first published.
- 1982 - Episode two of Time-Flight was first broadcast on BBC1.
- 1984 - Episode two of The Twin Dilemma was first broadcast on BBC1.
- 1985 - Episode one of Revelation of the Daleks was first broadcast on BBC1.
- 1989 - The stage play The Ultimate Adventure premièred.
- 1998 - Battlefield was released on VHS.
- 2008 - Earls Court exhibition Doctor Who Close Up was opened.
- 2011 - DWDVDF 58 was first published by GE Fabbri Ltd.
- 2013 - The Bells of Saint John: A Prequel was first released online.
- 2013 - Puffin eshort The Spear of Destiny was first published by Puffin Books.
- 2013 - A special edition of Pointless Celebrities featuring Doctor Who actors as contestants was first broadcast on BBC One.
- 2016 - Part two of the Doctor Who: The Tenth Doctor comic story Arena of Fear and part eighteen of A Rose by Any Other Name were first published.
- 2016 - TCH 56 was first released by Hachette Partworks.
- 2022 - The Torchwood - Monthly Range audio story The Black Knight was first released by Big Finish.