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On 7月17日, the following important behind-the-scenes events were known to have occurred:
- 1964 - "Guests of Madame Guillotine" was recorded at Lime Grove Studios G. (TCH 3)
- 1977 - Studio filming for The Sun Makers took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1978 - Studio filming for The Stones of Blood took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1979 - Studio filming for Destiny of the Daleks took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1986 - Studio filming for The Ultimate Foe took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Sixth Doctor)
- 1999 - The Big Finish audio story Whispers of Terror was recorded at the Nu Groove Studios.
- 2002 - Although the Big Finish website states that it was released a month earlier, it also states that the Bernice Summerfield audio story The Green-Eyed Monsters was recorded on this day.
- 2006 - Big Finish's Bernice Summerfield audio story The Worst Thing in the World took place.
- 2007 - Big Finish's Dalek Empire story The Fearless was recorded at the Moat Studios.
- 2012 - The Big Finish audio story The Beginning was recorded at the Moat Studios.
- 2017 - The Big Finish audio story Ghost Walk was recorded at the Moat Studios.
- 2018 - Big Finish's audio anthology Susan's War was recorded.
- 2020 - The eighth series of Big Finish's audio series The Diary of River Song was recorded.
- 2022 - Big Finish announced on that date's podcast that David Richardson would be stepping down from his position as senior producer and will be succeeded by John Ainsworth[1].