17 August (releases)

* 1968 - Episode two of The Dominators was first broadcast on BBC1.
* 1968 - Part three of the TV Comic story The Jokers was first published.
* 1974 - Part seven of the TV Comic story The Magician was first published
* 1989 - The Ultimate Evil was first published by Target Books.
* 1994 - DWCC 23 was first published by Marvel Comics.
* 1995 - Zamper and Invasion of the Cat-People were first published by Virgin Books.
* 1996 - Part two of the Radio Times comic story Descendance was first published.
* 2006 - DWM 373 was first released by Panini Comics.
* 2015 - The Sixth Doctor: The Last Adventure was first released by Big Finish.
* 2017 - Toby Hadoke's Who's Round 213 was released online.
* 2020 - 14681 UNIT Field Log was first released online.
* 2021 - After the Daleks and The Secrets of Det-Sen were both first released by Big Finish.
* 2022 - Into the Stars was first released by Big Finish.