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 BB1.
* 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. 
* 2005 - Additional entries in Have You Seen This Man? were released.
* 2014 - DWFC 16 and DWFC SP 2 was first released by Eaglemoss Collections.
* 2015 - Toby Hadoke's Who's Round 113 was released online.
* 2018 - The Turn of the Screw was first released by Big Finish Productions.
* 2019 - Toby Hadoke's Who's Round 245 was released online.
* 2019 - Doctors and Dragons was first released by Big Finish.