21 November (releases)

* 1964 - "World's End" was first broadcast on BBC1.
* 1970 - Part four of the TV Comic story Trial of Fire was first published.
* 1974 - The novelisations of The Abominable Snowmen was first published by Target Books.
* 1990 - Search Out Space was first broadcast on .
* 1991 - The Terrestrial Index was first published by Doctor Who Books.
* 1996 - The Plotters was first published by Virgin Books.
* 1996 - The Third Doctor Handbook was first published by Doctor Who Books.
* 1996 - DWM 246 was first released by Marvel Comics.
* 2003 - Children in Need 2003 was first broadcast on BBC One, as part of the Children in Need telethon.
* 2003 - The audio stories Zagreus and Shada were released by Big Finish Productions.
* 2005 - The Complete First Series was released on Region 2 DVD.
* 2009 - Part one of Dreamland was first broadcast on BBC Red Button.
* 2011 - The box set Doctor Who: The Complete Sixth Series was released in the UK.
* 2013 - An Adventure in Space and Time was first broadcast on BBC Two.
* 2013 - Nothing O'Clock was first published by Puffin Books.
* 2013 - DWFC 7 was first published by Eaglemoss Publications Ltd.
* 2015 - Face the Raven was first broadcast on BBC One.
* 2021 - Village of the Angels was first broadcast on BBC One.
* 2023 - Defender of the Earth was first released by Big Finish.