29 April (production)


 * 1966 - "Johnny Ringo" was recorded at Riverside Studios 1. (TCH 7)
 * 1966 - Location filming for The Savages began at Shire Lane Quarry. (TCH 8)
 * 1967 - Episode five of The Faceless Ones was recorded at Lime Grove Studios D. (TCH 10)
 * 1968 - Location filming for The Dominators continued at Gerrards Cross. (TCH 12)
 * 1971 - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third 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 Big Finish audio story Other Lives 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.
 * 2015 - The Big Finish audio story The Forsaken was recorded at the Moat Studios.
 * 2015 - Read-through for The Zygon Invasion took place.
 * 2020 - Big Finish announced the upcoming release of their lockdown-recorded Doctor Who audio adventure Shadow of the Sun.
 * 2021 - Big Finish's audio anthologies The Third Doctor Adventures: Volume Eight and Torchwood Soho: Ashenden were recorded.
 * 2021 - Big Finish announced The Audio Novels audiobook Watchers.