| 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 12月18日, the following important behind-the-scenes events were known to have occurred:
- 1964 - "The Slave Traders" was recorded at Riverside Studios One. (INFO: "The Slave Traders")
- 1967 - Pre-filming for The Web of Fear continued at Ealing Studios Stage 3. (TCH 11)
- 1968 - Pre-filming for The Seeds of Death concluded on Stage 2 of Ealing Studios. (TCH 14)
- 1973 - Studio filming for Death to the Daleks took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Third Doctor)
- 1980 - Location filming for Logopolis took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 2002 - Recording for Nekromanteia took place at The Moat Studios.
- 2007 - Recording for The Dark Husband took place at The Moat Studios.
- 2008 - Recording for The Three Companions took place at The Moat Studios.
- 2009 - Recording for Jago & Litefoot: Series One took place at The Moat Studios.
- 2012 - The seventh series of Big Finish's audio series Jago & Litefoot was recorded at the Moat Studios.
- 2014 - Recording for Last of the Cybermen took place at the Moat Studios.
- 2017 - Big Finish's audio anthology Ravenous 1 was recorded at the Moat Studios.
- 2017 - Big Finish announced the special Jago & Litefoot box set Jago & Litefoot Forever.
- 2019 - Recording for Wicked Sisters took place at the Moat Studios.
- 2020 - Big Finish's audio anthologies Jago & Litefoot: Series Fourteen and UNIT: Nemesis: Between Two Worlds were recorded.