On 24 September, the following important behind-the-scenes events were known to have occurred:
- 1965 - "Small Prophet, Quick Return" was recorded at Riverside Studios 1. (TCH 6)
- 1966 - Episode two of The Tenth Planet was recorded at Riverside Studios 1. (TCH 8)
- 1993 - Recording for Dimensions in Time took place. Sophie Aldred realised that she had forgotten to wear jewellery that she had worn on other shooting days, and the team had to look for an easy replacement in case of confused continuity.
- 2000 - Recording for The Mutant Phase took place at The Moat Studios.
- 2009 - Recording for The Song of Megaptera took place at The Moat Studios.
- 2013 - Recording for Dark Eyes 2 took place at The Moat Studios.