28 October (production)


 * 1964 - Sydney Newman wrote to Carole Ann Ford, responding to her letter of that week, in which Ford thanked him for the opportunity of playing Susan. He rejects her gratitude, saying: "...we are greatly indebted to you. You have done a fine job for us in the BBC, and we are deeply appreciative of your work."
 * 1967 - Episode two of The Ice Warriors was recorded at Lime Grove Studios D. (TCH 11)
 * 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)
 * 1974 - Studio filming for The Ark in Space took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 2004 - Recording for The Game took place at The Moat Studios.
 * 2009 - Recording for Nevermore took place at The Moat Studios.
 * 2019 - Big Finish's audio anthology The First Doctor Adventures: Volume Five was recorded at the Soundhouse.
 * 2020 - The BBC announced the Blu-ray steelbook of Series 7.
 * 2021 - Big Finish's audio anthology Blood & Steel was recorded at the Soundhouse.