25 May (production)


 * 1966 - Location filming for The War Machines continued, with the backlot of Ealing Studios doubling as a market. (TCH 8)
 * 1971 - Malcolm Hulke was commissioned to write The Sea Devils. (INFO: The Sea Devils)
 * 1990 - Filming for Search Out Space took place at Ealing Studios. (Doctor Who The Handbook: The Seventh Doctor)
 * 2008 - Big Finish's Iris Wildthyme audio stories The Two Irises and The Panda Invasion were recorded at the Moat Studios.
 * 2016 - Big Finish's audio adaptation of the novel Cold Fusion was recorded at the Moat Studios.
 * 2016 - Big Finish's Torchwood audio story Outbreak was announced.
 * 2022 - Big Finish confirmed the return of the Autons for The Diary of River Song audio anthology Two Rivers and a Firewall.