The Doctor Who Production Diary: March 14th

1964 Debut broadcast of Marco Polo episode four, The Wall Of Lies, on BBC TV Marco Polo
1967 Location filming for The Faceless Ones takes place at Gatwick Airport in Surrey The Faceless Ones
1968 A photocall is held to introduce Wendy Padbury as new companion Zoe Heriot Zoe
Heriot
1969 Recording for The Space Pirates takes place in BBC Television Centre Studio 4 The Space Pirates
1970 Debut broadcast of The Silurians episode seven on BBC1 The Silurians
1972 Recording for The Mutants takes place in BBC Television Centre Studio 8 The Mutants
1973 Nicholas Courtney is contracted for The Green Death Brigadier Alistair Gordon Lethbridge-Stewart
1973 Location filming for The Green Death takes place in Deri, Wales The Green Death
1974 Location filming for Planet Of The Spiders takes place in Westbury, Gloucestershire Planet Of The Spiders
1978 Douglas Adams' The Pirate Planet is condemned by Head of Serials Graeme McDonald, but Anthony Read and director Pennant Roberts successfully argue that there is no time to replace it The Pirate Planet
1980 Peter Grimwade is commissioned to provide a storyline for Time-Flight Time-Flight
1980 Keith Miles is commissioned to provide a storyline entitled “Mark Of Lumos” The Fourth Doctor
1981 Debut broadcast of Logopolis episode three on BBC1 Logopolis
1983 Location filming for The Five Doctors takes place in Ffestiniog, Wales The Five Doctors
2005 Recording for Bad Wolf / The Parting Of The Ways takes place at Unit Q2 Bad Wolf / The Parting Of The Ways
2006 Recording for The Impossible Planet / The Satan Pit takes place at Enfys Television Studios in Cardiff, Wales The Impossible Planet / The Satan Pit
2007 Location filming for The Sound Of Drums / Last Of The Time Lords takes place in Cardiff, Wales The Sound Of Drums / Last Of The Time Lords
2008 Location filming for The Stolen Earth / Journey's End takes place in Cardiff, Wales and Tongwynlais, Wales The Stolen Earth / Journey's End
2009 Recording for The Waters Of Mars takes place at Upper Boat Studios The Waters Of Mars
2011 Recording for The Girl Who Waited takes place at Upper Boat Studios The Girl Who Waited
2011 Recording for The God Complex takes place at Upper Boat Studios The God Complex
2011 Location filming for Closing Time takes place in Penarth, Wales Closing Time
2012 Location filming for A Town Called Mercy takes place near Tabernas, Almería, Spain A Town Called Mercy