18 October (production)


 * 1963 - Studio filming for the very first Doctor Who episode took place at Lime Grove Studio D.
 * 1963 - Verity Lambert decided that designer Peter Brachacki was unsuitable for Doctor Who, and demanded a replacement. Barry Newbery and Raymond Cusick were considered, and got to work. Newbery's plans, however, were too costly for Donald Baverstock, who sent a memo to Donald Wilson in complaint.
 * 1963 - Director Christopher Barry received the first attempts at the Dalek voices from J. N. Shearme. Two different approaches arrived through Barry's letterbox: one using computer synthesis and the other using a vocoder. Barry indicated he was particularly interested in the vocoder approach, but no final decision was taken on this day.
 * 1968 - Episode five of The Invasion was recorded at Lime Grove Studios D. (TCH 13)
 * 2012 - Recording for Ghost in the Machine took place at The Moat Studios.
 * 2014 - Big Finish announced the casting of Miranda Raison as the Sixth Doctor's companion Constance Clarke.
 * 2017 - Recording for Landbound took place at Ladbroke Audio.
 * 2018 - Big Finish's audio anthology The Eighth of March was recorded at the Moat Studios.
 * 2021 - Big Finish's Torchwood audio story Infidel Places was recorded at PRL Studios.