22 April (production)

* 1966 - "Don't Shoot the Pianist" was recorded at Riverside Studios 1. (TCH 7)
* 1967 - Episode four of The Faceless Ones was recorded at Lime Grove Studios D. (TCH 10)
* 1971 - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third Doctor)
* 1975 - Studio filming for Terror of the Zygons took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
* 1979 - Studio filming for The Creature from the Pit took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
* 2001 - The Big Finish audio story Dust Breeding was recorded at the Moat Studios.
* 2008 - The Big Finish audio stories The Destroyer of Delights and The Chaos Pool were recorded at the Moat Studios.
* 2011 - The Big Finish audio story Energy of the Daleks was recorded at Audio Sorcery. This was Tom Baker's first recorded story for Big Finish. (DCOM: Energy of the Daleks)
* 2020 - The Big Finish audio stories The Enemy of My Enemy and Echoes of Extinction were recorded remotely.