The Doctor Who Production Diary: June 20th

1964 Debut broadcast of The Sensorites episode one, Strangers In Space, on BBC1 The Sensorites
1966 Innes Lloyd writes to Jackie Lane to apologise for the abrupt nature of her departure from Doctor Who Dodo 
Chaplet
1966 Location filming for The Smugglers takes place at Nanjizal Cove and Bosistow Cliffs, Cornwall The Smugglers
1970 Debut broadcast of Inferno episode seven on BBC1 Inferno
1972 Recording for Carnival Of Monsters takes place in BBC Television Centre Studio 4 Carnival Of Monsters
1975 Bob Baker and Dave Martin are commissioned to write The Hand Of Fear The Hand Of Fear
1977 Filming for The Sun Makers takes place at the BBC Visual Effects Workshop and on location in London The Sun Makers
1979 Filming for Destiny Of The Daleks takes place at the BBC Visual Effects Workshop Destiny Of The Daleks
1989 Location filming for Survival takes place in Warmwell, Dorset Survival
2012 Recording for Cold War takes place at BBC Roath Lock Cold War