The Doctor Who Production Diary: March 25th

1920 Patrick Troughton (the Second Doctor) is born The Second Doctor
1966 Recording for The Celestial Toymaker takes place at Riverside Studio 1; William Hartnell is absent while on holiday The Celestial Toymaker
1967 Debut broadcast of The Macra Terror episode three on BBC1 The Macra Terror
1967 Recording for The Macra Terror takes place in Lime Grove Studio D The Macra Terror
1969 Location filming for The War Games takes place in Brighton, East Sussex The War Games
1972 Debut broadcast of The Sea Devils episode five on BBC1 The Sea Devils
1975 Elisabeth Sladen is contracted for the final twenty-two episodes of Season Thirteen Sarah Jane
Smith
1975 Location filming for Terror Of The Zygons takes place in South Ambersham, West Sussex Terror Of The Zygons
2006 Location filming for The Impossible Planet / The Satan Pit takes place in Pontypool, Wales The Impossible Planet / The Satan Pit
2008 Location filming for The Stolen Earth / Journey's End takes place in Penarth, Wales The Stolen Earth / Journey's End
2011 Recording for Let's Kill Hitler takes place at Upper Boat Studios Let's Kill Hitler