On 23 September, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1967 - Episode four of The Tomb of the Cybermen was first broadcast on BBC1.
- 1967 - Part four of the TV Comic story Egyptian Escapade was first published.
- 1972 - Part six of the TV Action comic story The Ugrakks was first published.
- 1976 - The novelisation of Frontier in Space was first released by Target Books.
- 1978 - Part four of The Ribos Operation was first broadcast on BBC1.
- 1999 - DWM 283 was first released by Marvel Comics, commemorating 20 years of Doctor Who's official magazine.
- 2009 - DWDVDF 19 was first published by GE Fabbri Ltd.
- 2010 - The Doctor Who Adventures comic story The Steel Web was first published.
- 2010 - DWM 426 was first released by Panini Comics.
- 2013 - The Beast of Babylon was first published by Puffin Books.
- 2015 - Toby Hadoke's Who's Round 139 was released online.
- 2016 - Toby Hadoke's Who's Round 186 was released online.