13 December (production)


 * 1966 - Location filming for The Underwater Menace concluded at Winspit Quarry. (TCH 9)
 * 1968 - Episode four of The Krotons was recorded at Lime Grove Studios D. (TCH 13)
 * 1968 - Model filming for The Seeds of Death began on Stage 2 of Ealing Studios. (TCH 14)
 * 2003 - Recording for Death and the Daleks took place.
 * 2007 - Recording for The Haunting of Thomas Brewster took place at The Moat Studios.
 * 2010 - Recording for Rat Trap took place at The Moat Studios.
 * 2011 - Recording for Dominion took place at The Moat Studios.
 * 2019 - Recording for Stranded 1 took place at the Moat Studios.
 * 2019 - Big Finish announced the Master's 50th anniversary story Masterful, scheduled to be released in January 2021.
 * 2021 - Big Finish announced the winning entry of that year's Paul Spragg Memorial Short Trip Opportunity, a Ninth Doctor audiobook entitled The Lichyrwick Abomination.