This article about a day of the year is currently under construction. It's likely to be a bit messy.
On 11 September, the following important behind-the-scenes events were known to have occurred:
- 1964 - "The Urge to Live" was recorded at BBC Television Centre Studio 4. (INFO: "Crisis")
- 1968 - Location filming for The Invasion continued. (TCH 13)
- 2013 - Recording for The English Way of Death took place at The Moat Studios.
- 2015 - Recording for One Rule took place at The Soundhouse Studios.
- 2019 - Recording for Subterfuge took place.