The Doctor Who Production Diary: April 11th

1964 Debut broadcast of The Keys Of Marinus episode one, The Sea Of Death, on BBC TV The Keys Of Marinus
1967 The role of new companion Victoria Waterfield is recast, with Deborah Watling replacing Denise Buckley Victoria Waterfield
1967 Recording for The Faceless Ones takes place at the BBC Television Film Studios in Ealing, London The Faceless Ones
1969 Recording for The War Games takes place at BBC Television Centre Studio 4 in White City, London The War Games
1970 Debut broadcast of The Ambassadors Of Death episode four on BBC One The Ambassadors Of Death
1977 Recording for The Invisible Enemy takes place at BBC Television Centre Studio 6 in White City, London The Invisible Enemy
1978 Recording for The Ribos Operation takes place at BBC Television Centre Studio 4 in White City, London The Ribos Operation
1986 Recording for The Trial Of A Time Lord (Segment One) takes place in Chalton, Hampshire The Trial Of A Time Lord (Segment
One)
1988 Recording for Remembrance Of The Daleks takes place in Hammersmith, London Remembrance Of The Daleks
1989 Recording for The Curse Of Fenric takes place in Crowborough, East Sussex The Curse Of Fenric
2006 Recording for The Impossible Planet / The Satan Pit takes place at Enfys Television Studios in Cardiff, Wales The Impossible Planet / The Satan Pit
2006 Recording for Army Of Ghosts / Doomsday takes place at Enfys Television Studios in Cardiff, Wales Army Of Ghosts / Doomsday
2007 Jane Tranter, the BBC's Controller of Fiction, asks Russell T Davies to remain Doctor Who's showrunner for Season Thirty-One, but he declines Donna Noble
2008 Recording for The Next Doctor takes place at Upper Boat Studios in Upper Boat, Wales The Next Doctor
2009 Debut broadcast of Planet Of The Dead on BBC One and BBC HD; Doctor Who is broadcast in high-definition for the first time Planet Of The Dead
2012 Recording for The Angels Take Manhattan takes place in New York City, New York, United States of America The Angels Take Manhattan
2013 Recording for The Day Of The Doctor takes place in Caerwent, Wales The Day Of The Doctor
2014 Recording for The Caretaker takes place in Tonyrefail, Wales The Caretaker