20 October (production)


 * 1964 - The Hidden Planet was officially rejected by script editor David Whitaker.
 * 1969 - Location filming for Spearhead from Space took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1977 - Full scripts for The Pirate Planet were commissioned from Douglas Adams.
 * 2009 - Recording for Legend of the Cybermen took place at The Moat Studios.
 * 2011 - Recording for the first series of Counter-Measures took place at The Moat Studios. The series was announced on the Big Finish website.
 * 2017 - Recording for I Am The Master took place at The Moat Studios.
 * 2018 - Big Finish's The War Master audio anthology Rage of the Time Lords was recorded.
 * 2020 - Remote recording for The End of the Beginning took place.