22 May (production)


 * 1964 - "The Day of Darkness" was recorded at Lime Grove Studios. (INFO: "The Day of Darkness")
 * 1966 - Location filming for The War Machines began. (TCH 8)
 * 2008 - Recording for The Doomwood Curse took place at The Moat Studios.
 * 2009 - Recording for Blue Forgotten Planet took place at The Moat Studios.
 * 2012 - Recording for Destroy the Infinite took place at Audio Sorcery.
 * 2015 - Recording for The Black Hole took place at the Moat Studios.
 * 2019 - Recording for Buried Memories took place at the Moat Studios.
 * 2019 - Recording for Heritage 2 took place at The Soundhouse.
 * 2020 - Big Finish announced that Eric Roberts was to reprise the role of the Master for the audio box set Master!.