On 7 September, the following important behind-the-scenes events were known to have occurred:
- 1967 - Location filming for The Abominable Snowmen continued in Wales. (TCH 11)
- 1968 - Location filming for The Invasion continued. (TCH 13)
- 1999 - Recording for Dragons' Wrath took place.
- 2005 - Rewrites of School Reunion known as a "yellow script revision" covered a scene where K9 Mark III recognises the Tenth Doctor on reactivation. (DWMSE 14)
- 2006 - Recording for Circular Time took place at The Moat Studios.
- 2009 - Recording for Survival of the Fittest took place at The Moat Studios.
- 2011 - Recording for The Fourth Doctor Box Set took place at Audio Sorcery.
- 2017 - Recording for The First Doctor Adventures: Volume Two took place at The Soundhouse.
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