The Doctor Who Production Diary: January 21st

1964 Terry Nation is commissioned to write The Keys Of Marinus in place of “The Red Fort” The Keys Of Marinus
1966 Recording for The Massacre Of St Bartholomew's Eve takes place at Riverside Studio 1 The Massacre Of St Bartholomew's
Eve
1967 Debut broadcast of The Underwater Menace episode two on BBC1 The Underwater Menace
1967 Recording for The Underwater Menace takes place at Riverside Studio 1 The Underwater Menace
1975 Barry Letts is commissioned to provide a storyline for “The Prisoner Of Time” The Fourth Doctor
1978 Debut broadcast of Underworld episode three on BBC1 Underworld
2005 Location filming for The Empty Child / The Doctor Dances takes place at Barry Island, Wales The Empty Child / The Doctor Dances
2008 Location filming for Silence In The Library / Forest Of The Dead takes place in Cardiff, Wales Silence In The Library / Forest Of The Dead
2009 Location filming for Planet Of The Dead takes place in Cardiff, Wales Planet Of The Dead
2010 Location filming for The Pandorica Opens / The Big Bang takes place in Swansea, Wales The Pandorica Opens / The Big Bang
2011 Location filming for A Good Man Goes To War takes place in Barry, Wales A Good Man Goes To War