31 August (releases)


 * 1968 - Episode four of The Dominators was first broadcast on BBC1.
 * 1968 - Part one of the TV Comic story Invasion of the Quarks was first published.
 * 1974 - Part two of the TV Comic story The Metal-Eaters was first published.
 * 1995 - DWM 230 was first released by Marvel Comics.
 * 1996 - Part four of the Radio Times comic story Descendance was first published.
 * 2009 - Doctor Who Storybook 2010 was first published by Panini UK.
 * 2012 - Part five of Pond Life was released online.
 * 2013 - The Doctors Revisited - The Eighth Doctor was first broadcast on BBC America, followed by a rebroadcast of the Eighth Doctor TV Movie.
 * 2015 - Foreshadowing was first released by Big Finish.
 * 2016 - The graphic novel Arena of Fear was first published by Titan Comics.
 * 2017 - Toby Hadoke's Who's Round 215 was released online.
 * 2020 - The first four series of the Bernice Summerfield audio series were made available as downloads for the first time on the Big Finish website.