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On 1月18日, the following important behind-the-scenes events were known to have occurred:
- 1967 - Pre-filming for The Moonbase continued on Stage 3 of Ealing Studios. (TCH 9)
- 1972 - Studio filming for The Curse of Peladon took place at BBC Television Centre studio 4. (REF: Doctor Who The Handbook: The Third Doctor)
- 1974 - Pre-filming for The Monster of Peladon took place at Stage 3A of Ealing Studios. (REF: Doctor Who The Handbook: The Third Doctor)
- 1983 - Studio filming for Enlightenment took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Fifth Doctor)
- 1985 - Studio filming for Revelation for the Daleks took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Sixth Doctor)
- 1996 - Location filming for the TV Movie took place. (Doctor Who The Handbook: The Seventh Doctor)
- 2001 - The Big Finish audio story The Chimes of Midnight was recorded in Bristol.
- 2006 - A read-through for The Idiot's Lantern was held. (DWMSE 14)
- 2011 - The fourth series of Big Finish's audio series Jago & Litefoot was recorded at the Moat Studios.
- 2012 - The Big Finish audio story The Jupiter Conjunction was recorded at the Moat Studios.
- 2015 - Big Finish's Iris Wildthyme audio anthology Wildthyme Reloaded began at the Moat Studios.
- 2018 - The Big Finish audio story The Dalek Occupation of Winter took place at the Moat Studios.
- 2019 - The Big Finish audio story Emissary of the Daleks was recorded at the Moat Studios.
- 2021 - The Big Finish audio anthology Respond to All Calls was recorded remotely.
- 2021 - Big Finish announced the fourteenth series of Jago & Litefoot, adapted as an audiobook anthology.