9 October (releases)

* 1965 - The one-part television story Mission to the Unknown was first broadcast on BBC1.
* 1965 - Part six of the TV Century 21 comic story Plague of Death was first published.
* 1971 - Part two of Backtime was first published in Countdown.
* 1976 - Part two of The Hand of Fear was first broadcast on BBC1.
* 1976 - Part four of the TV Comic story The Mutant Strain was first published.
* 1980 - DWM 46 was first released by Marvel Comics.
* 1986 - DWM 118 was first released by Marvel Comics.
* 2000 - The Five Doctors was released on Region 4 DVD.
* 2006 - The Sontaran Experiment was released on Region 2 DVD, including the story Built for War.
* 2008 - The Forever Trap was first released by BBC Audio.
* 2008 - The Torchwood Magazine comic story "The Man Who Fell to Earth" was first published.
* 2008 - DWA 85 was first released by BBC Magazines.
* 2008 - The Torchwood Archives was first published by BBC Books.
* 2013 - DWA 331 was first released by Immediate Media Company London Limited.
* 2014 - DWFC 30 and DWFC RD 3 were first released by Eaglemoss Collections.
* 2015 - Toby Hadoke's Who's Round 141 was released online.
* 2018 - Ravenous 2 was first released by Big Finish Productions.
* 2019 - Ravenous 4 was first released by Big Finish.
* 2019 - The recreated Mission to the Unknown was released on the official Doctor Who YouTube Channel.
* 2021 - Welcome to the TARDIS... was released on the official Doctor Who YouTube channel.
* 2021 - Invasion of the Dinosaurs was first published by Obverse Books.