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 - Recording for The Time Vampire took place at The Moat Studios.
 * 2013 - Recording for Persuasion took place at The Moat Studios.
 * 2014 - Recording for Counter-Measures: Series 3 took place at The Moat Studios.
 * 2021 - The BBC announced the Blu-ray box set The Collection: Season 24.