5月21日（制作）

5月21日

DWU • 制作历史 • 生命统计 • 发行

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错误：时间无效。

On 5月21日, the following important behind-the-scenes events were known to have occurred:

1965 - "Journey into Terror" was recorded at Riverside Studios 1. (TCH 5)
1969 - Jon Pertwee signed his contract for his début season as the Third Doctor.
1970 - Studio filming for Inferno took place at BBC Television Centre 6. (REF: Doctor Who The Handbook: The Third Doctor)
1974 - Studio filming for Robot took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
1981 - Studio filming for The Visitation took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fifth Doctor)
1987 - Location filming for Paradise Towers took place. (Doctor Who The Handbook: The Seventh Doctor)
1993 - The BBC Radio 5 Live audio The Paradise of Death was recorded at Maida Vale 7. (REF: Doctor Who The Handbook: The Third Doctor)
1990 - Location filming for Search Out Space took place. (Doctor Who The Handbook: The Seventh Doctor)
2008 - The BBC formally announced Russell T Davies would step down as executive producer of Doctor Who in 2009, to be succeeded by Steven Moffat.
2008 - The Big Finish audio story The Doomwood Curse was recorded at The Moat Studios.
2019 - Big Finish's The Companion Chronicles audio anthology The First Doctor: Volume Three was recorded.
2019 - Big Finish's The Paternoster Gang box set Heritage 2 was recorded at The Soundhouse.
2019 - The Big Finish audio anthology The Twelfth Doctor Chronicles was recorded.
2020 - Big Finish announced the fifth and sixth series of their Doctor Who spin-off The War Master.
2021 - Big Finish's The Doctor Chronicles audio anthology Timejacked! was recorded at the Soundhouse.