31 January (production)


 * 1966 - Pre-filming for The Ark continued at Ealing Studios. (TCH 7)
 * 1969 - Episode five of The Seeds of Death was recorded at Lime Grove Studios D. (TCH 14)
 * 1996 - Studio filming for the TV Movie took place. (Doctor Who The Handbook: The Seventh Doctor)
 * 2003 - Big Finish's Bernice Summerfield audio story The Bellotron Incident and The Draconian Rage were recorded.
 * 2006 - Rewrites of Fear Her known as "green script amendments" covered the Tenth Doctor describing the Isolus pod to Rose Tyler. (DWMSE 14)
 * 2012 - The Big Finish audio story The Jigsaw War was recorded at the Moat Studios.
 * 2013 - Big Finish's audio adaptation of the unproduced TV story Lords of the Red Planet was recorded at the Moat Studios.
 * 2017 - Recording for The Dreams of Avarice took place at Audio Sorcery.
 * 2018 - Big Finish's The Companion Chronicles audio anthology The Second Doctor: Volume Two was recorded.