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On 20 May, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1967
- Episode one of The Evil of the Daleks premiered on BBC1.
- Part three of the TV Comic story The Exterminator was published.
- 1972
- Episode one of The Time Monster premiered on BBC1.
- Part four of the TV Action comic story A Stitch in Time was published.
- 1976 - The novelisation of Revenge of the Cybermen was published by Target Books.
- 1978 - Part seven of the TV Comic story Guardian of the Tomb was published.
- 1982 - The novelisation of The Keeper of Traken was published by Target Books.
- 1993 - Lucifer Rising was published by Virgin Books.
- 2002 - The Ambassadors of Death was released on VHS.
- 2006
- The Age of Steel premiered on BBC One, followed by From Zero to Hero on BBC Three.
- Tardisode 7 was released online.
- 2009
- Iris Wildthyme and the Celestial Omnibus was published by Obverse Books.
- DWDVDF 10 was published by GE Fabbri Ltd.
- 2010 - DWA 167 was published by BBC Magazines.
- 2013 - The box set Doctor Who: Series 7, Part 2 was released in the UK.
- 2015
- The Eleventh Doctor #12 was published by Titan Comics.
- Last of the Cybermen was released by Big Finish Productions.
- 2016 - Toby Hadoke's Who's Round 170 was released online.
- 2017 - Extremis premiered on BBC One.
- 2020
- The Torchwood - Monthly Range audio story Iceberg was released by Big Finish.
- Listen was released online.
- The audio reading of Scorched Earth was released on the Doctor Who YouTube channel.
- Fear Is a Superpower was released online.
- The Thirteenth Doctor Year Two #4 was published by Titan Comics.
- 2021 - The Ruby's Curse was published by BBC Books.