27 February (releases)


 * 1965 - "Escape to Danger" was first broadcast on BBC1.
 * 1965 - Part six of TV Comic comic story The Therovian Quest was first published.
 * 1971 - Episode five of The Mind of Evil was first broadcast on BBC1.
 * 1971 - Part two of Gemini Plan was first published in Countdown.
 * 1980 - Part two of Doctor Who Weekly comic story Doctor Who and the Star Beast and part four of Abslom Daak... Dalek Killer were first published.
 * 2008 - A Day in the Death was first broadcast on BBC Three.
 * 2008 - Zygon: When Being You Just Isn't Enough was first released by BBV Productions.
 * 2008 - Issue one of the IDW comic story Agent Provocateur was first published.
 * 2014 - Anthology Tales of Trenzalore was first published by BBC Books.