20 September (production)

* 1963 - The original cast of Doctor Who — that is, William Hartnell, Carole Ann Ford, William Russell and Jacqueline Hill — met for the first time for a photoshoot. The first ever photographs of Doctor Who were thus taken.
* 1964 - Maureen O'Brien auditioned for the role of Vicki. (DCOM: In Conversation)
* 1968 - Episode one of The Invasion was recorded at Lime Grove Studios D. (TCH 13)
* 1976 - Pre-filming for The Face of Evil took place at Ealing Studios. (REF: Doctor Who The Handbook: The Fourth Doctor)
* 2006 - The Big Finish audio story Return of the Daleks was recorded at the Moat Studios.
* 2012 - The sixth series of Big Finish's audio series Gallifrey was recorded at the Moat Studios.
* 2015 - Peter Capaldi and Jenna Coleman participated in a photo shoot at Abbey Road, where, with the help of two Dalek props, they imitated the famous album cover produced by the Beatles. In costume as the Twelfth Doctor and Clara Oswald, Capaldi struck the same pose as John Lennon, though wearing his Doctor's sunglasses, while Coleman, in her bare feet, mimicked Paul McCartney.
* 2016 - The Big Finish audio story The Wreck of the World was recorded at the Moat Studios.
* 2017 - Big Finish's Torchwood One audio anthology Machines was recorded at the Soundhouse.
* 2018 - The sixth series of Big Finish's audio series The Diary of River Song was recorded.
* 2022 - The Big Finish audio story The Artist at the End of Time was recorded.