8 October (production)


 * 1965 - "Horse of Destruction" was recorded at Riverside Studios 1. (TCH 6)
 * 1966 - Doctor Who's very first regeneration sequence was shot, the beginning of a long-lasting tradition that would keep the show running long after the stars left. This was William Hartnell's final regular day of filming, and Patrick Troughton's first.
 * 1969 - Location filming for Spearhead from Space took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 2008 - Recording for Wirrn Dawn took place at The Moat Studios.
 * 2013 - Recording for Suburban Hell took place at Audio Sorcery.
 * 2019 - Recording for Heritage 3 took place.
 * 2020 - Recording for Jago & Litefoot: Series Fourteen took place.
 * 2021 - Big Finish's audio anthology The Second Doctor: Volume Three was recorded remotely.
 * 2021 - Big Finish's audio anthology Back to Earth was recorded.