30 April (production)


 * 1965 - "The Executioners" was recorded at Riverside Studios 1. (TCH 5)
 * 1968 - Pre-filming for The Dominators began at Ealing Studios Stage 2. (TCH 12)
 * 1971 - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1973 - Studio filming for The Green Death took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1974 - Studio filming for Planet of the Spiders took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1975 - Location filming for Pyramids of Mars took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 1980 - Location filming for State of Decay took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 2005 - The Big Finish audio story Other Lives was recorded at the Moat Studios.
 * 2008 - The Big Finish audio story Here There Be Monsters was recorded at the Moat Studios.
 * 2011 - Jenna Coleman filmed her first scenes for Doctor Who.
 * 2013 - The new executive producer for series 8 was announced to be Brian Minchin.
 * 2014 - The Big Finish audio story The Widow's Assassin was recorded at the Moat Studios.
 * 2015 - Big Finish's Torchwood audio story The Conspiracy was recorded at the Moat Studios, the first of Big Finish Productions' relaunch of the Doctor Who spin-off Torchwood as an ongoing audio drama series.
 * 2018 - Recording for Shellshock took place at Audio Sorcery.
 * 2020 - Big Finish's audio adaptation of the unproduced TV story The Doomsday Contract and The Paternoster Gang audio anthology Heritage 4 were recorded.
 * 2020 - Doctor Who: Lockdown! hosted a tweetalong of Dalek in commemoration of the episode's fifteenth anniversary.