27 May (production)


 * 1966 - Episode three of The Savages was recorded at Riverside Studios 1. (TCH 8)
 * 1967 - Episode three of The Evil of the Daleks was recorded at Lime Grove Studios D. (TCH 10)
 * 1969 - Nicholas Courtney was contracted to return as Brigadier Alistair Gordon Lethbridge-Stewart — this time as part of the regular cast for at least one season.
 * 1996 - Following the death of Jon Pertwee just one week before its release, a dedication to him was added at the end of the Doctor Who TV movie for the BBC broadcast.
 * 2001 - Recording for Colditz took place at The Moat Studios.
 * 2010 - Recording for The Perpetual Bond took place at The Moat Studios.
 * 2016 - Recording for The Memory Bank and Other Stories took place at The Moat Studios.
 * 2016 - Big Finish's Christmas-themed Short Trips audio stories The Hesitation Deviation and O Tannenbaum were confirmed.