12 October (production)


 * 1969 - Location filming for Spearhead from Space took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1970 - R/T voices for The Mind of Evil was recorded. (REF: Doctor Who The Handbook: The Third Doctor)
 * 2007 - Recording for Masters of War took place at The Moat Studios.
 * 2009 - Recording for City of Spires took place at The Moat Studios.
 * 2011 - Recording for The Time Museum took place at The Moat Studios.
 * 2015 - Recording for The Ravelli Conspiracy took place at the Moat Studios.
 * 2016 - Recording for The Crash of the UK-201 took place at the Moat Studios.
 * 2016 - The read-through for Oxygen took place.
 * 2017 - Recording for The Tenth Doctor Chronicles took place.
 * 2017 - Recording for The Comic Strip Adaptations: Volume One took place at Audio Sorcery.
 * 2018 - Recording for The Third Doctor Adventures: Volume Five took place at WiseBuddah.
 * 2020 - Recording for the Torchwood audio story Coffee took place remotely.
 * 2021 - Big Finish's audio anthology The Second Doctor: Volume Three was recorded remotely.
 * 2021 - Big Finish announced the audio anthology Charlotte Pollard: The Further Adventuress.