On 4 September, the following important behind-the-scenes events were known to have occurred:
- 1969 - Tailor Arthur Davey made finishing touches to his 27 August Third Doctor costume.
- 1999 - Recording for The Fearmonger took place.
- 2005 - Recording for the Iris Wildthyme story Wildthyme at Large took place at The Moat Studios.
- 2012 - Recording for The Seeds of War took place at The Moat Studios.