The Doctor Who Production Diary: September 20th

1925 Birth of Christopher Barry (bio), director and John Wiles (bio), producer
1968 Recording for The Invasion takes place at Lime Grove Studio D in Shepherd's Bush, London The Invasion
1975 Debut broadcast of Terror Of The Zygons episode four on BBC One Terror Of The Zygons
1976 Recording for The Face Of Evil takes place at the BBC Television Film Studios in Ealing, London The Face Of Evil
1978 Recording for The Power Of Kroll takes place in Snape, Suffolk The Power Of Kroll
1980 Debut broadcast of The Leisure Hive episode four on BBC One The Leisure Hive
1986 Death of Dennis Spooner (bio), writer and story editor
1986 Debut broadcast of The Trial Of A Time Lord episode three on BBC One The Trial Of A Time Lord (Segment
One)
1989 Debut broadcast of Battlefield episode three on BBC One Battlefield
2000 Death of Mary Ridge (bio), director
2004 Recording for The Unquiet Dead takes place in Swansea, Wales The Unquiet Dead
2006 Recording for Gridlock takes place at Upper Boat Studios in Upper Boat, Wales Gridlock
2007 Recording for The Fires Of Pompeii takes place at Upper Boat Studios in Upper Boat, Wales The Fires Of Pompeii
2010 Recording for Night Terrors takes place in the city of Bristol Night Terrors
2011 Recording for The Doctor, The Widow And The Wardrobe takes place in Newport, Wales The Doctor, The Widow And The Wardrobe
2012 Recording for The Snowmen takes place at Roath Lock Studios in Cardiff, Wales The Snowmen
2014 Debut broadcast of Time Heist on BBC One and BBC One HD Time Heist
2016 Recording for The Return Of Doctor Mysterio takes place at Roath Lock Studios in Cardiff, Wales The Return Of Doctor Mysterio