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On 5月17日, the following important behind-the-scenes events were known to have occurred:
- 1967 - Pre-filming for The Evil of the Daleks concluded on Stage 3 of Ealing Studios. (TCH 10)
- 1968 - Episode one of The Dominators was recorded at BBC Television Centre Studio 4. (TCH 12)
- 1982 - Studio filming for Arc of Infinity took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Fifth Doctor)
- 1988 - Location filming for The Greatest Show in the Galaxy took place. (Doctor Who The Handbook: The Seventh Doctor)
- 1989 - Location filming for Battlefield took place. (Doctor Who The Handbook: The Seventh Doctor)
- 2000 - The Big Finish audio story Sword of Orion was recorded in Bristol.
- 2007 - The Big Finish audio anthology The Wishing Beast was recorded at the Moat Studios.
- 2012 - The Big Finish audio story The Shadow Heart was recorded at the Moat Studios.
- 2016 - The Big Finish audio story The World Beyond the Trees took place at the Soundhouse.
- 2016 - Big Finish's Torchwood - Special Releases audio story Outbreak was recorded
- 2019 - The Big Finish audio story Harry Houdini's War was recorded at the Moat Studios.
- 2020 - Doctor Who: Lockdown! hosted a tweetalong of The Fires of Pompeii.