31 May (releases)


 * 1969 - Episode seven of The War Games was first broadcast on BBC1.
 * 1969 - Part one of the TV Comic story Operation Wurlitzer was first published.
 * 1975 - Part two of the TV Comic story The Wreckers was first published.
 * 2005 - The graphic novel The Tides of Time was first published by Panini Books.
 * 2006 - The Doctor Who Adventures comic story Warfreekz! was first published.
 * 2008 - Silence in the Library was first broadcast on BBC One. Later, Shadow Play aired on BBC Three.
 * 2012 - The Doctor Who Adventures comic story The Mirror War was first published.
 * 2013 - JN-T: The Life and Scandalous Times of John Nathan-Turner was first published by Miwk Publishing.
 * 2016 - This Sporting Life was first released by Big Finish Productions.
 * 2017 - Part one of Secret Agent Man was first published in 9DO 13.