The Doctor Who Production Diary: March 7th

1964 Debut broadcast of Marco Polo episode three, Five Hundred Eyes, on BBC TV Marco Polo
1969 Recording for The Space Pirates takes place in BBC Television Centre Studio 4 The Space Pirates
1970 Debut broadcast of The Silurians episode six on BBC1 The Silurians
1975 A series of problems leads Robert Holmes to inform Lewis Greifer his scripts for Pyramids Of Mars are being abandoned, with Holmes writing a completely new version of the story; the credit will ultimately be attributed to the pseudonymous “Stephen Harris” Pyramids Of Mars
1981 Debut broadcast of Logopolis episode two on BBC1 Logopolis
1983 John Nathan-Turner arranges for Frazer Hines to make a cameo appearance in The Five Doctors Jamie McCrimmon
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 Enfys Television Studios in Cardiff, Wales Bad Wolf / The Parting Of The Ways
2006 Recording for The Impossible Planet / The Satan Pit takes place at Unit Q2 The Impossible Planet / The Satan Pit
2007 Recording for The Sound Of Drums / Last Of The Time Lords takes place at Upper Boat Studios The Sound Of Drums / Last Of The Time Lords
2008 Recording for The Stolen Earth / Journey's End takes place at Upper Boat Studios The Stolen Earth / Journey's End
2011 Location filming for The Girl Who Waited takes place in Cardiff, Wales The Girl Who Waited
2011 Location filming for Closing Time takes place in Cardiff, Wales Closing Time
2012 Location filming for A Town Called Mercy takes place near Tabernas, Almería, Spain A Town Called Mercy