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On 15 May, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1965 - "The Final Phase" was first broadcast on BBC1.
- 1965 - The seventh and final part of Duel of the Daleks was first published in TV Century 21.
- 1971 - Episode six of Colony in Space was first broadcast on BBC1.
- 1971 - Part eight of Timebenders was first published in Countdown.
- 1975 - The novelisation of Terror of the Autons was released by Target Books.
- 1976 - Part two of the TV Comic story Hubert's Folly was first published.
- 1980 - DWM 32 was first released by Marvel Comics.
- 1986 - Turlough and the Earthlink Dilemma and the novelisation of Timelash were first published by Target Books.
- 1986 - The Early Years was first published by W.H. Allen.
- 2002 - Nightdreamers was first published by Telos Publishing.
- 2008 - Destiny's Door and Fuel were first released online.
- 2008 - Part two of the Torchwood Magazine comic story Rift War! was first published.
- 2008 - DWA 64 was first released by BBC Magazines.
- 2008 - Starships and Spacestations was first published by BBC Books.
- 2010 - Amy's Choice was first broadcast on BBC One. Later, Arthurian Legend aired on BBC Three.
- 2013 - DWDVDF 114 was first published by GE Fabbri Ltd.
- 2015 - The Worlds of Big Finish was first released by Big Finish.
- 2015 - Toby Hadoke's Who's Round 120 was released online.
- 2018 - The Lure of the Nomad was first released by Big Finish.
- 2020 - UNIT: The Complete Series was first released by Big Finish.
- 2022 - Interrogation was first released on BBC Sounds.