7 September (production)


 * 1967 - Location filming for The Abominable Snowmen continued in Wales. (TCH 11)
 * 1968 - Location filming for The Invasion continued. (TCH 13)
 * 1999 - Recording for Dragons' Wrath took place.
 * 2005 - Rewrites of School Reunion known as a "yellow script revision" covered a scene where K9 Mark III recognises the Tenth Doctor on reactivation. (DWMSE 14)
 * 2006 - Recording for Circular Time took place at The Moat Studios.
 * 2009 - Recording for Survival of the Fittest took place at The Moat Studios.
 * 2011 - Recording for The Fourth Doctor Box Set took place at Audio Sorcery.
 * 2017 - Recording for The First Doctor Adventures: Volume Two took place at The Soundhouse.
 * 2018 - Recording for The Kamelion Empire took place at the Moat Studios.
 * 2020 - Recording for Lady Christina: Series Two was recorded.
 * 2021 - Big Finish's audio anthology Charlotte Pollard: The Further Adventuress was recorded remotely.