12 February (releases)

* 1966 - "The Sea Beggar" was first broadcast on BBC1.
* 1966 - Part four of the TV Comic story The Didus Expedition was first published.
* 1972 - Episode three of The Curse of Peladon was first broadcast on BBC1.
* 1972 - Part six of the TV Action comic story *Sub Zero was first published.
* 1977 - Part three of The Robots of Death was first broadcast on BBC1.
* 1977 - Part two of the TV Comic story The False Planet was first published.
* 1981 - DWM 50 was released by Marvel Comics.
* 1987 - DWM 122 was released by Marvel Comics.
* 1998 - DWM 262 was released by Marvel Comics.
* 2008 - BFP 0802 was first released by Big Finish.
* 2009 - The Nemonite Invasion was first released by BBC Audio.
* 2009 - DWA 102 was first released by BBC Magazines.
* 2013 - Toby Hadoke's Who's Round 5 was released online.
* 2014 - DWA 339 was first released by Immediate Media Company London Limited.
* 2014 - Dark Eyes 2 was first released by Big Finish.
* 2015 - Equilibrium and The Darkness of Glass were first released by Big Finish.
* 2015 - DWFC 39 was first released by Eaglemoss Collections.
* 2019 - Black Thursday and Power Game were first released by Big Finish.
* 2020 - The Fourth Doctor Adventures Series 9: Volume 2 was first released by Big Finish.
* 2021 - Peckham Poltergeist was released on YouTube by BBV Productions.