11 September (releases)

* 1965 - "Four Hundred Dawns" was first broadcast on BBC1, beginning season 3.
* 1965 - Part two of the TV Century 21 comic story Plague of Death was first published.
* 1971 - Part eight of The Celluloid Midas was first published in Countdown.
* 1976 - Part two of The Masque of Mandragora was first broadcast on BBC1.
* 1976 - The TV Comic story The Hoaxers was first published.
* 1980 - DWM 45 was first released by Marvel Comics.
* 1986 - DWM 117 was first released by Marvel Comics.
* 1986 - The novelisation of The Savages and The Companions of Doctor Who novel Harry Sullivan's War were released by Target Books.
* 2001 - The Five Doctors and The Robots of Death were released on Region 1 DVD.
* 2008 - The Torchwood Magazine comic story "Circles" was first published.
* 2008 - DWA 81 was first released by BBC Magazines.
* 2008 - The audiobook version of Doctor Who and the Green Death was first released by BBC Audio.
* 2013 - DWA 329 was first released by Immediate Media Company London Limited.
* 2013 - Daleks Among Us and 1963: Fanfare for the Common Men were first released by Big Finish.
* 2014 - The Blood Cell, Silhouette, and The Crawling Terror were released by BBC Books.
* 2014 - DWFC 28 was first released by Eaglemoss Collections.
* 2015 - Prologue was first released on the Doctor Who website.
* 2015 - Toby Hadoke's Who's Round 137 was released online.
* 2017 - The box set The Doctors: The Tom Baker Years was released on DVD.
* 2018 - The Dispossessed was first released by Big Finish.
* 2019 - Part four of the Doctor Who: The Thirteenth Doctor comic story Old Friends was first published by Titan Comics.
* 2020 - The limited-edition vinyl version of Marco Polo was first released by Demon Music.