On 20 May, the following important behind-the-scenes events were known to have occurred:
- 1966 - Episode two of The Savages was recorded at Riverside Studios 1. (TCH 8)
- 1967 - Episode two of The Evil of the Daleks was recorded at Lime Grove Studios D. (TCH 10)
- 2008 - It was announced Russell T Davies would step down as head writer and executive producer of Doctor Who; Steven Moffat would replace him.
- 2010 - Recording for The Invasion of E-Space took place at The Moat Studios.
- 2012 - Recording for New Frontiers took place at The Moat Studios.
- 2013 - Recording for Trial of the Valeyard took place at The Moat Studios.
- 2019 - Recording for Heritage 2 took place at The Soundhouse.
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