15 October (production)


 * 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)
 * 2001 - Recording for The Greatest Shop in the Galaxy took place.
 * 2009 - Recording for The Wreck of the Titan took place at The Moat Studios.
 * 2010 - Recording for The Rosemariners took place at The Moat Studios.
 * 2012 - Recording for the fifth series of Gallifrey began at The Moat Studios.
 * 2013 - Recording for The Sontarans took place at the Moat Studios.
 * 2020 - Remote recording for The End of the Beginning took place.
 * 2021 - Big Finish's audiobook anthology Short Trips: Volume 11 was recorded.