23 May (production)

* 1966 - Pre-filming for The War Machines began on a warehouse set on Stage 3 of Ealing Studios. (TCH 8)
* 1972 - Studio filming for The Time Monster took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Third Doctor)
* 1978 - Studio filming for The Pirate Planet took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fourth Doctor)
* 2008 - The Big Finish audio story The Doll of Death was recorded at the Moat Studios.
* 2012 - The Big Finish audio story The Crooked Man was recorded at Audio Sorcery.
* 2015 - The Big Finish audio story The Black Hole was recorded at the Moat Studios.
* 2018 - The Big Finish audio story Antillia the Lost was recorded at Audio Sorcery.
* 2020 - Doctor Who: Lockdown! hosted a tweetalong for An Adventure in Space and Time.
* 2022 - Big Finish announced The New Adventures of Bernice Summerfield audio anthology Blood & Steel.
* 2022 - Big Finish's audio anthology He Who Fights With Monsters was recorded at the Soundhouse.