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On 19 October, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Part three of the TV Comic story The Killer Wasps was first published.
- 1974 - Part two of the TV Comic story Lords of the Ether was first published.
- 1984 - The Doctor Who Pattern Book was first published by W. H. Allen.
- 1987 - Part three of Paradise Towers was first broadcast on BBC1.
- 1987 - Build the TARDIS was first published by Target Books.
- 1988 - Part three of Remembrance of the Daleks was first broadcast on BBC1.
- 1989 - The novelisation of The Daleks' Master Plan was released by Target Books.
- 1995 - Head Games and Millennial Rites were first published by Virgin Books.
- 1995 - Companions was first published by Virgin Books.
- 1996 - Part one of the Radio Times comic story Ascendance was first published.
- 2000 - DWM 297 was first released by Panini Comics.
- 2006 - Welcome to Torchwood aired on BBC Three.
- 2010 - Part two of The Vault of Secrets was first broadcast on CBBC.
- 2011 - DWDVDF 73 was first published by GE Fabbri Ltd.
- 2015 - The Torchwood audio story Fall to Earth was first released by Big Finish.
- 2016 - Rulebook was first released by Big Finish.
- 2016 - Doctor Who Event 2016: Supremacy of the Cybermen #4 was released by Titan Comics.
- 2016 - TCH 43 was first released by Hachette Partworks.
- 2017 - Toby Hadoke's Who's Round 222 was released online.
- 2017 - DWM 518 was first released by Panini Comics.
- 2017 - DWFC 109 was first released by Eaglemoss Collections.
- 2018 - The vinyl edition of Zygon Hunt was released exclusively to Sainsbury's customers.
- 2021 - The Third Doctor Adventures: Volume Eight was first released by Big Finish.
- 2022 - The Torchwood Soho audio story The Unbegotten was first released by Big Finish.
- 2023 - The Torchwood audio story Odysseus was first released by Big Finish.