30 October (production)


 * 1969 - Location filming for Spearhead from Space took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1970 - Location filming for The Mind of Evil took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1971 - Location filming for The Sea Devils took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1973 - Studio filming for Invasion of the Dinosaurs took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)
 * 2008 - Recording for The Company of Friends took place at The Moat Studios.
 * 2013 - Recording for The Romance of Crime took place at Audio Sorcery.
 * 2015 - The Big Finish audio story And You Will Obey Me was recorded at the Moat Studios.
 * 2017 - Big Finish announced The Diary of River Song would continue in the fourth series and beyond.
 * 2018 - Big Finish announced the audio box set The Eighth of March.
 * 2019 - Big Finish announced their new Doctor Who spin-off The Robots.
 * 2019 - The Big Finish audio story After the Daleks was recorded at the Moat Studios.
 * 2020 - Big Finish confirmed the Christmas-themed Bernice Summerfield audio anthology The Christmas Collection.