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On 15 October, the following important behind-the-scenes events were known to have occurred:
- 1965 - The budget for the 1966 financial year was set at £2,750 per episode. The figure was a 10% rise on 1965's £2,500 episodic budget.
- 1969 - Location filming for Spearhead from Space took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 1973 - Studio filming for Invasion of the Dinosaurs took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Third Doctor)
- 1977 - Studio filming for Underworld took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1979 - Location filming for Shada took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 2001 - Big Finish's Bernice Summerfield audio story The Greatest Shop in the Galaxy was recorded.
- 2009 - The Big Finish audio story The Wreck of the Titan was recorded at the Moat Studios.
- 2010 - Big Finish's audio adaptation of the unproduced TV story The Rosemariners was recorded at the Moat Studios.
- 2012 - The fifth series of Big Finish's Doctor Who spin-off Gallifrey was recorded at the Moat Studios.
- 2013 - The Big Finish audio story The Sontarans was recorded at the Moat Studios.
- 2020 - The Big Finish audio story The End of the Beginning was recorded remotely.
- 2021 - Big Finish's audiobook anthologies Short Trips: Volume 11 and Short Trips: Volume 12 were recorded.