28 April (production)


 * 1966 - Pre-filming for The Savages concluded at Ealing Studios. (TCH 8)
 * 1967 - Pre-filming for The Evil of the Daleks continued on Stage 3A/B of Ealing Studios. (TCH 10)
 * 1968 - Location filming for The Dominators continued at Olley Sand Pit. (TCH 12)
 * 1971 - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1981 - Studio filming for Four to Doomsday took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fifth Doctor)
 * 1982 - Studio filming for Snakedance took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fifth Doctor)
 * 1988 - Studio filming for Remembrance of the Daleks took place at BBC Television Centre Studio 8. (Doctor Who The Handbook: The Seventh Doctor)
 * 2001 - The Big Finish audio story The One Doctor was recorded at the Moat Studios.
 * 2005 - The first draft script for the story which would become Rise of the Cybermen and The Age of Steel was submitted. (DWMSE 14)
 * 2005 - The Big Finish audio story Scaredy Cat was recorded at the Moat Studios.
 * 2009 - Big Finish's audio adaptation of the unmade TV story Leviathan was recorded at the Moat Studios.
 * 2010 - The Big Finish audio story A Death in the Family was recorded at the Moat Studios.
 * 2017 - Big Finish's audio anthology The Third Doctor Adventures: Volume Three took place at the Soundhouse.
 * 2020 - Big Finish's The Paternoster Gang audio anthology Heritage 4 was recorded remotely.
 * 2021 - Big Finish's audio anthologies The Third Doctor Adventures: Volume Eight and Torchwood Soho: Ashenden were recorded.
 * 2021 - Big Finish announced the two-part Fifth Doctor Adventures audio anthology Forty.