31 October (releases)


 * 1964 - "Planet of Giants" was first broadcast on BBC1, beginning season 2 of Doctor Who.
 * 1970 - Part one of the TV Comic story Trial of Fire was first published.
 * 1985 - Timeview was first published by Who Dares Publishing.
 * 1991 - DWM 180 was first released by Marvel Comics.
 * 2003 - The audio stories Master and The Wormery were first released by Big Finish Productions.
 * 2007 - The Doctor Who: Battles in Time comic story House Pests was first published.
 * 2008 - The Diet of Worms was first released by Big Finish.
 * 2008 - Sisters of the Flame was broadcast on BBC Radio 7.
 * 2009 - Regeneration was first broadcast on Disney XD, beginning the K9 series.
 * 2011 - The Gunpowder Plot was first released by BBC Wales Interactive.
 * 2011 - The Blu-ray box set The Sarah Jane Adventures: The Complete Fourth Series was released in the UK.
 * 2012 - DWDVDF 100 was first published by GE Fabbri Ltd.
 * 2014 - The Widow's Assassin was first released by Big Finish.
 * 2015 - The Zygon Invasion was first broadcast on BBC One.
 * 2017 - The Ultimate Foe was first published by Obverse Books.
 * 2018 - TCH 16 was first released by Hachette Partworks.
 * 2019 - DWFC 162 was first released by Eaglemoss Collections.
 * 2021 - The Halloween Apocalypse was first broadcast on BBC One, launching Doctor Who: Flux.