27 March (releases)


 * 1965 - "The Lion" was first broadcast on BBC1.
 * 1965 - The seventh and final part of Power Play was first published in TV Century 21.
 * 1971 - Episode three of The Claws of Axos was first broadcast on BBC1.
 * 1971 - Part one of Timebenders was first published in Countdown.
 * 1974 - The novelisations of Colony in Space and of Day of the Daleks were first published by Target Books.
 * 1976 - Part two of the TV Comic story Treasure Trail was first published.
 * 1980 - DWM 25 was released by Marvel Comics.
 * 1986 - Search for the Doctor and Crisis in Space, books one and two of the Make Your Own Adventure with Doctor Who line were published by Severn House.
 * 2011 - The Cardiff Doctor Who exhibition closed.
 * 2014 - Toby Hadoke's Who's Round 51 was released online.
 * 2015 - Toby Hadoke's Who's Round 113 was released online.
 * 2018 - The Turn of the Screw was first released by Big Finish Productions.