17 September (releases)

* 1966 - Episode two of The Smugglers was first broadcast on BBC1.
* 1966 - Part three of the TV Comic story The Underwater Robot was first published.
* 1977 - Part three of Horror of Fang Rock was first broadcast on BBC1.
* 1977 - Part four of the TV Comic story The Mutants was first published.
* 1987 - The Time-Travellers' Guide was first published by W.H. Allen.
* 1987 - The novelisation of The Romans was first published by Target Books.
* 1992 - The Monsters was first published by Doctor Who Books.
* 1993 - Episode four of The Paradise of Death was first broadcast on BBC Radio.
* 2001 - The audio story The Eye of the Scorpion was first released by Big Finish Productions.
* 2001 - The VHS box set The Davros Collection was released.
* 2008 - The Doctor Who: Battles in Time comic story The Time Stealer was first published.
* 2009 - DWA 133 was first released by BBC Magazines.
* 2009 - DWM 413 was first released by Panini Comics.
* 2011 - The God Complex was first transmitted on BBC One.
* 2013 - Toby Hadoke's Who's Round 32 was released online.
* 2014 - Toby Hadoke's Who's Round 70 was released online.
* 2015 - DWM 491 was first released by Panini Comics.
* 2019 - Harry Houdini's War and Tartarus were both first released by Big Finish.
* 2020 - DWM 556 was first released by Panini Comics.
* 2020 - The audio anthology I, Davros: The Complete Series was first released by Big Finish.
* 2020 - The audio anthology The Second History Collection was first released by BBC Audio.