On 8 October, the following important behind-the-scenes events were known to have occurred:
- 1965 - "Horse of Destruction" was recorded at Riverside Studios 1. (TCH 6)
- 1966 - Doctor Who's very first regeneration sequence was shot, the beginning of a long-lasting tradition that would keep the show running long after the stars left. This was William Hartnell's final regular day of filming, and Patrick Troughton's first.
- 2008 - Recording for Wirrn Dawn took place at The Moat Studios.
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