21 April (production)

* 1967 - Location filming The Evil of the Daleks continued in Ealing and Shepherd's Bush. (TCH 10)
* 1971 - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third Doctor)
* 1987 - Studio filming for Time and the Rani took place at BBC Television Centre Studio 8. (Doctor Who The Handbook: The Seventh Doctor)
* 2001 - The Big Finish audio story Dust Breeding was recorded at the Moat Studios.
* 2002 - The Big Finish audio story The Rapture took place at the Moat Studios.
* 2004 - The Big Finish audio story The Juggernauts was recorded at the Moat Studios.
* 2005 - David Tennant spent "a couple of hours" recording his first scene as the Tenth Doctor on the set of the TARDIS, which would be edited into The Parting of the Ways with Billie Piper. (DWMSE 14)
* 2008 - The Big Finish audio story The Destroyer of Delights was recorded at the Moat Studios.
* 2010 - Big Finish's audio adaptation of the unmade TV story Animal was recorded at the Moat Studios.
* 2011 - Big Finish's audio adaptation of the unproduced TV story Meltdown (retitled Power Play) was recorded at the Moat Studios.
* 2020 - The Big Finish audio story Echoes of Extinction was recorded remotely.
* 2021 - Big Finish's audio anthology The Third Doctor Adventures: Volume Eight was recorded.