21 January (production)

* 1966 - "War of God" was recorded at Riverside Studios 1. (TCH 7)
* 1967 - Episode three of The Underwater Menace was recorded at Riverside Studios 1. (TCH 9)
* 2010 - The Big Finish audio story The Time Vampire took place at the Moat Studios.
* 2013 - The Big Finish audio story Persuasion took place at the Moat Studios.
* 2014 - The third series of Big Finish's audio series Counter-Measures was recorded at the Moat Studios.
* 2020 - Big Finish's audio anthology The Lost Resort and Other Stories was recorded at the Moat Studios.
* 2021 - The BBC announced the Blu-ray box set The Collection: Season 24.
* 2022 - Big Finish's audio anthology Purity Unbound was recorded.