11 August (production)


 * 1969 - The Monsters was given a new name — The Silurians — and an extra seventh episode.
 * 1969 - On the same day, assistant script editor Trevor Ray sent a revised version of episode one of The Carriers of Death to script editor Derrick Sherwin, who was displeased with David Whitaker's work. A meeting was held two days later to discuss the serial.
 * 1975 - Studio filming for The Android Invasion took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 1988 - Studio filming for The Happiness Patrol took place at BBC Television Centre Studio 8. (Doctor Who The Handbook: The Seventh Doctor)
 * 2009 - Recording for Shadow of the Past took place at The Moat Studios.
 * 2017 - Recording for The Tenth Doctor Chronicles took place.
 * 2020 - Recording for Plight of the Pimpernel took place.