26 October (production)

* 1965 - Producer John Wiles mildly upbraided make-up guru Sonia Markham for faulty facial hair and wigs in "The Nightmare Begins".
* 1970 - Location filming for The Mind of Evil 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)
* 1976 - Studio filming for The Face of Evil took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
* 1982 - Studio filming for Terminus took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Fifth Doctor)
* 1984 - Location filming for The Mark of the Rani took place. (REF: Doctor Who The Handbook: The Sixth Doctor)
* 2004 - The Big Finish audio story Catch-1782 was recorded at the Moat Studios.
* 2005 - A planning meeting for Rise of the Cybermen and The Age of Steel was held. (DWMSE 14)
* 2009 - The Big Finish audio story Night's Black Agents was recorded at the Moat Studios.
* 2012 - The second series of Big Finish's Doctor Who spin-off Counter-Measures was recorded at the Moat Studios.
* 2015 - Big Finish confirmed that David Tennant and Catherine Tate were to reprise the roles of the Tenth Doctor and Donna Noble for The Tenth Doctor Adventures: Volume One.
* 2018 - Big Finish's Rose Tyler audio drama anthology The Dimension Cannon was recorded.
* 2020 - Big Finish's Torchwood audio story Lease of Life was recorded at Audio Sorcery and remotely.
* 2021 - Big Finish's Torchwood audio story The Black Knight was recorded at the Soundhouse.
* 2023 - The Big Finish audio story The Hoxteth Time Capsule was recorded remotely.