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On 4月24日, the following important behind-the-scenes events were known to have occurred:
- 1964 - "The Keys of Marinus" was recorded at Lime Grove Studios. (INFO: "The Keys of Marinus")
- 1967 - Location filming for The Evil of the Daleks continued at Grim's Dyke House. (TCH 10)
- 1970 - Studio filming for Inferno took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)
- 1971 - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 1977 - Studio filming for The Invisible Enemy took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1978 - Studio filming for The Ribos Operation took place at BBC Television Centre studio 4. (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)
- 1986 - Studio filming for The Mysterious Planet took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Sixth Doctor)
- 2006 - The Times announced that an animated spin-off called K9 Adventures featuring K9 was to enter development with Jetix Europe in collaboration with Park Entertainment. (DWMSE 14)
- 2007 - The Big Finish audio story Frozen Time was recorded at the Moat Studios.
- 2008 - The Big Finish audio story The Judgement of Isskar was recorded at the Moat Studios.
- 2009 - The Big Finish audio story Freakshow was recorded at the Moat Studios.
- 2010 - Big Finish's Bernice Summerfield audio story Year Zero was recorded.
- 2012 - The Big Finish audio story The Acheron Pulse was recorded at the Moat Studios.
- 2017 - Big Finish's The War Master audio anthology Only the Good was recorded at the Moat Studios.
- 2018 - Big Finish's audio anthology Class: The Audio Adventures: Volume One was recorded at the Moat Studios.
- 2019 - The Big Finish audio story Regeneration Impossible was recorded at the Soundhouse.
- 2020 - Doctor Who: Lockdown! hosted a tweetalong of Human Nature/The Family of Blood.