On 9 April, the following important behind-the-scenes events were known to have occurred:
- 1965 - "The Dimensions of Time" was recorded at BBC Television Centre Studio 4. (INFO: "The Dimensions of Time")
- 1965 - Location filming for The Chase took place at Camber Sands, which doubled for the Sagarro Desert. (TCH 5)
- 2008 - The BBC announced that there would be a Doctor Who at the Proms on 27 July of that year.
- 2018 - Recording for The Seventh Doctor: The New Adventures: Volume One took place at The Moat Studios.
- 2019 - Recording for Anti-Genesis took place at the Moat Studios.
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