31 March (production)


 * 1966 - Pre-filming of the gunfight at the O.K. Corral from The Gunfighters concluded on Stage 3 of Ealing Studios. (TCH 7)
 * 1969 - Location filming for The War Games continued at High Park Farm. (TCH 14)
 * 1970 - Location filming for Inferno took place (REF: Doctor Who The Handbook: The Third Doctor)
 * 1971 - Malcolm Hulke was commissioned to write a storyline for The Sea Devils. (INFO: The Sea Devils)
 * 1972 - Pre-filming for The Time Monster took place Stage 2 of Ealing Studios. (REF: Doctor Who The Handbook: The Third Doctor)
 * 2001 - The Big Finish audio stories Dust Breeding and Bloodtide took place at the Moat Studios.
 * 2004 - The Big Finish audio story The Harvest took place at the Moat Studios.
 * 2006 - Catherine Tate filmed her first scene as Donna while the season's wrap party was taking place.
 * 2007 - Five exclusive previews of Smith and Jones took place at the Cardiff Odeon, Swansea Odeon, Wrexham Odeon, the Aberystwyth Arts Centre and Pwllheli Neuadd Dwyfor, followed by its first television broadcast in the evening.
 * 2009 - Big Finish's audio adaptation of the unproduced TV story The Hollows of Time was recorded at the Moat Studios.
 * 2010 - Matt Smith and Karen Gillan visited Salford and Northampton, concluding a promotional tour for the upcoming series 5 that had begun on 29 March.
 * 2013 - The BBC Television Centre, which was frequently used by Doctor Who as a recording studio, was officially closed.
 * 2014 - The Big Finish audio story Masters of Earth was recorded at the Moat Studios.
 * 2016 - The Big Finish audio story The Genesis Chamber took place at Audio Sorcery.
 * 2020 - Recording for Shadow of the Sun, The Enemy of My Enemy and Mutually Assured Destruction were recorded remotely.