18 October (releases)

* 1965 - The fourth and final part of the TV Comic story The Ordeals of Demeter was first published.
* 1969 - Part three of the TV Comic story U.F.O. was first published.
* 1975 - Part four of Planet of Evil was first broadcast on BBC1.
* 1975 - Part six of the TV Comic story The Sinister Sea was first published.
* 1979 - DWM 2 was released by Marvel Comics.
* 1980 - Part four of Meglos was first broadcast on BBC1.
* 1984 - The novelisation of Inferno was released by Target Books.
* 1986 - Part three of Mindwarp was first broadcast on BBC1.
* 1989 - Part three of Ghost Light was first broadcast on BBC1.
* 1990 - The novelisation of Survival was released by Target Books.
* 2001 - The Scripts: Tom Baker 1974/5 was first published by BBC Books. This was an annotated collection of complete scripts from Season 12, Tom Baker's first season.
* 2001 - DWM 310 was first released by Panini Comics.
* 2004 - The audio story The Last was first released by Big Finish Productions.
* 2006 - The Doctor Who: Battles in Time comic story Death Race Five Billion was first published.
* 2007 - DWM 388 was first released by Panini Comics.
* 2010 - Part one of The Vault of Secrets was first broadcast on CBBC. Later, episode two of Sarah Jane's Alien Files premièred with it.
* 2011 - Part two of The Man Who Never Was was first broadcast on CBBC, ending The Sarah Jane Adventures.
* 2012 - DWA 291 was first released by Immediate Media Company London Limited.
* 2012 - DWM 453 was first released by Panini Comics.
* 2014 - Flatline was first broadcast on BBC One.
* 2017 - TCH 37 was first released by Hachette Partworks.
* 2018 - DWM 531 was first released by Panini Comics.
* 2018 - Toby Hadoke's Who's Round 234 was released online.
* 2018 - DWFC 135 was first released by Eaglemoss Collections.
* 2022 - Torchwood: SUV was first released by Big Finish.