19 September (production)


 * 1963 - The first filming session for the very first Doctor Who story, An Unearthly Child, took place. It was a one-day shoot at Ealing Studios of the last few seconds of episode one, depicting a caveman casting his shadow over the Doctor's TARDIS.
 * 1969 - Location filming for Spearhead from Space took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 1970 - Location filming for Terror of the Autons took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 2011 - Episode two of The Underwater Menace was recovered.
 * 2012 - Recording of the sixth series of Gallifrey began at The Moat Studios.
 * 2016 - Recording for The Tribulations of Thadeus Nook took place at Audio Sorcery.
 * 2017 - Big Finish's Torchwood One audio anthology Machines was recorded at the Soundhouse.
 * 2018 - Big Finish announced the first series of their Doctor Who spin-off Missy.
 * 2019 - Big Finish's audio anthology The First Doctor Adventures: Volume Four was recorded at the Soundhouse.