On 18 June, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1966 - Episode four of The Savages was first broadcast on BBC1.
- 1966 - Part five of the TV Comic story The Secret of Gemino was first published.
- 1977 - Part six of the TV Comic story Kling Dynasty was first published.
- 1987 - The novelisation of The Space Museum was first released by Target Books.
- 1992 - Cat's Cradle: Witch Mark was first published by Virgin Books.
- 2000 - Pocket Essentials: Doctor Who was first published by Pocket Essentials.
- 2001 - The Caves of Androzani was released on Region 2 DVD.
- 2005 - The Ultimate Guide aired on BBC One immediately before the broadcast of The Parting of the Ways. Later, The Last Battle aired on BBC Three.
- 2009 - The Doctor Who Adventures comic story The Memory Collective was first published.
- 2012 - Death to the Daleks was released on Region 2 DVD.
- 2014 - Masquerade and Destroy the Infinite were first released by Big Finish.
- 2014 - Toby Hadoke's Who's Round 61 was released online.
- 2019 - Sargasso was first released by Big Finish.
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