Sonic screwdrivers can't create pages instantly.
This article about a day of the year is currently under construction. It's likely to be a bit messy.
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On 4月6日, the following important behind-the-scenes events were known to have occurred:
- 1970 - Pre-filming for Inferno took place on Stage 2 of Ealing Studios. (REF: Doctor Who The Handbook: The Third Doctor)
- 1972 - Location filming for The Time Monster took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 1987 - Location filming for Time and the Rani took place. (Doctor Who The Handbook: The Seventh Doctor)
- 1988 - Location filming for Remembrance of the Daleks took place. (Doctor Who The Handbook: The Seventh Doctor)
- 1989 - Location filming for The Curse of Fenric took place. (Doctor Who The Handbook: The Seventh Doctor)
- 2011 - The Big Finish audio story The Witch from the Well was recorded at the Moat Studios.
- 2016 - Big Finish confirmed the Philip Hinchcliffe Presents story The Genesis Chamber.
- 2018 - Big Finish's audio anthology Class: The Audio Adventures: Volume Two was recorded at the Moat Studios.
- 2020 - The Big Finish audio story Shadow of the Sun was recorded remotely.
- 2021 - The Big Finish audio story The Auton Infinity was recorded remotely.