21 October (production)
From Tardis Wiki, the free Doctor Who reference
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 |
On 21 October, the following important behind-the-scenes events were known to have occurred:
- 1967 - Episode one of The Ice Warriors was recorded at Lime Grove Studios D. (TCH 11)
- 1969 - Location filming for Spearhead from Space took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 1971 - Location filming for The Sea Devils took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 1975 - Studio filming for The Brain of Morbius took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1981 - Studio filming for Black Orchid took place. (REF: Doctor Who The Handbook: The Fifth Doctor)
- 2008 - The Big Finish audio story The Scapegoat was recorded at the Moat Studios.
- 2010 - The Big Finish audio story The Selachian Gambit was recorded at the Moat Studios.
- 2015 - The Big Finish audio story Time Reaver was recorded at the Moat Studios.
- 2020 - Big Finish's audio anthology The Third Doctor Adventures: Volume Seven was recorded.
