19 October (production)

* 1964 - Head of Serials Donald Wilson decided to combine the third and fourth episodes of Planet of Giants, hoping this reduction in length would make the serial more exciting. (INFO: "Crisis")
* 1970 - The Mega, to be written by Bill Strutton was commissioned. It was ultimately scrapped.
* 1971 - Studio filming for Day of the Daleks took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)
* 1978 - Filming for The Power of Kroll took place at Bray Studios. (REF: Doctor Who The Handbook: The Fourth Doctor)
* 1979 - Location filming for Shada took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
* 2005 - The original script for Attack of the Graske, then called Christmas Challenge, was prepared. (DWMSE 14)
* 2009 - The Big Finish audio story Legend of the Cybermen was recorded at the Moat Studios.
* 2012 - The Big Finish audio story The Schorchies was recorded at the Moat Studios.
* 2017 - Big Finish's audio anthology The Comic Strip Adaptations: Volume One was recorded at Audio Sorcery.
* 2018 - Big Finish's The Paternoster Gang audio anthology Heritage 1 was recorded at the Soundhouse.