The Doctor Who Production Diary: 1976

January
3 Debut broadcast of The Brain Of Morbius episode one on BBC1 The Brain Of Morbius
10 Debut broadcast of The Brain Of Morbius episode two on BBC1 The Brain Of Morbius
17 Debut broadcast of The Brain Of Morbius episode three on BBC1 The Brain Of Morbius
21 The first commercial Concorde flights take place, linking London to Bahrain and Paris to Rio de Janeiro
22 Louis Marks receives staff clearance to write The Masque Of Mandragora The Masque Of Mandragora
22 Douglas Camfield is commissioned to write “The Lost Legion”, which is intended to write out Sarah Jane Smith The Fourth Doctor
23 Tom Baker is contracted for Season Fourteen The Fourth Doctor
24 Debut broadcast of The Brain Of Morbius episode four on BBC1 The Brain Of Morbius
27 Chris Boucher is commissioned to write The Face Of Evil The Face Of Evil
31 Debut broadcast of The Seeds Of Doom episode one on BBC1 The Seeds Of Doom

February
7 Debut broadcast of The Seeds Of Doom episode two on BBC1 The Seeds Of Doom
9 After Douglas Camfield submits his script for the first episode of “The Lost Legion”, Robert Holmes becomes unhappy with the serial and grooms The Hand Of Fear as its replacement The Fourth Doctor
14 Debut broadcast of The Seeds Of Doom episode three on BBC1 The Seeds Of Doom
21 Debut broadcast of The Seeds Of Doom episode four on BBC1 The Seeds Of Doom
28 Debut broadcast of The Seeds Of Doom episode five on BBC1 The Seeds Of Doom

March
3 Bob Baker and Dave Martin agree to write a heavily revised version of The Hand Of Fear developed by Robert Holmes The Hand Of Fear
6 Debut broadcast of The Seeds Of Doom episode six on BBC1 The Seeds Of Doom
10 Although they have not been commissioned, Eric Pringle submits scripts for the final two episodes of “The Angarath” The Fourth Doctor
mid
Mar
Philip Hinchcliffe asks Chris Boucher to develop his character Leela in The Face Of Evil as a potential companion Leela
19 Elisabeth Sladen is contracted for The Masque Of Mandragora and The Hand Of Fear Sarah Jane
Smith

April
1 Steve Jobs and Steve Wozniak found the Apple Computer Company

May
3 Location filming for The Masque Of Mandragora takes place in Portmeirion, Wales The Masque Of Mandragora
4 Location filming for The Masque Of Mandragora takes place in Portmeirion, Wales The Masque Of Mandragora
5 Location filming for The Masque Of Mandragora takes place in Portmeirion, Wales The Masque Of Mandragora
6 Location filming for The Masque Of Mandragora takes place in Portmeirion, Wales The Masque Of Mandragora
7 Robert Banks Stewart is commissioned to provide a storyline for “The Foe From The Future” The Talons Of Weng-Chiang
24 Recording for The Masque Of Mandragora takes place in BBC Television Centre Studio 3 The Masque Of Mandragora
25 Recording for The Masque Of Mandragora takes place in BBC Television Centre Studio 3 The Masque Of Mandragora
27 Robert Holmes is commissioned to write The Deadly Assassin The Deadly Assassin

June
6 Recording for The Masque Of Mandragora takes place in BBC Television Centre Studio 3 The Masque Of Mandragora
7 Recording for The Masque Of Mandragora takes place in BBC Television Centre Studio 3 The Masque Of Mandragora
8 Recording for The Masque Of Mandragora takes place in BBC Television Centre Studio 3; a new TARDIS console room set designed by Barry Newbery appears, Philip Hinchcliffe having concluded that the previous set was too large and prone to technical issues The Masque Of Mandragora
14 Location filming for The Hand Of Fear takes place in Cromhall, Gloucestershire The Hand Of Fear
15 Location filming for The Hand Of Fear takes place in Cromhall, Gloucestershire The Hand Of Fear
mid
Jun
Philip Hinchcliffe and Robert Holmes decide to retain Leela for at least one story beyond The Face Of Evil; with Hinchcliffe and Holmes both considering leaving Doctor Who, they subsequently decide to keep Leela through the end of Season Fourteen Leela
16 Location filming for The Hand Of Fear takes place in Oldbury-on-Severn, Gloucestershire The Hand Of Fear
17 Location filming for The Hand Of Fear takes place in Oldbury-on-Severn, Gloucestershire The Hand Of Fear
18 Location filming for The Hand Of Fear takes place in Thornbury, Gloucestershire The Hand Of Fear
22 Chris Boucher is commissioned to provide a storyline for The Robots Of Death The Robots Of Death
23 Eric Pringle's “The Angarath” is abandoned The Fourth Doctor
26 The CN Tower, the world's largest freestanding structure, opens in Toronto

July
5 Recording for The Hand Of Fear takes place in BBC Television Centre Studio 8 The Hand Of Fear
6 Recording for The Hand Of Fear takes place in BBC Television Centre Studio 8 The Hand Of Fear
7 Recording for The Hand Of Fear takes place in BBC Television Centre Studio 8 The Hand Of Fear
19 Recording for The Hand Of Fear takes place in BBC Television Centre Studio 8 The Hand Of Fear
20 Viking 1 becomes the first spacecraft to land on the surface of Mars
20 Chris Boucher is commissioned to write The Robots Of Death The Robots Of Death
20 Recording for The Hand Of Fear takes place in BBC Television Centre Studio 8; Elisabeth Sladen leaves Doctor Who The Hand Of Fear
26 Location filming for The Deadly Assassin takes place in Betchworth, Surrey The Deadly Assassin
27 Location filming for The Deadly Assassin takes place in Betchworth, Surrey The Deadly Assassin
28 Location filming for The Deadly Assassin takes place in Betchworth, Surrey and Merstham, Surrey The Deadly Assassin
29 Location filming for The Deadly Assassin takes place in Merstham, Surrey The Deadly Assassin
30 Location filming for The Deadly Assassin takes place in Merstham, Surrey and High Wycombe, Buckinghamshire The Deadly Assassin

August
15 Recording for The Deadly Assassin takes place in BBC Television Centre Studio 3 The Deadly Assassin
16 Recording for The Deadly Assassin takes place in BBC Television Centre Studio 3 The Deadly Assassin
17 Recording for The Deadly Assassin takes place in BBC Television Centre Studio 3 The Deadly Assassin
27 Louise Jameson is contracted to play new companion Leela in fourteen episodes, beginning with The Face Of Evil Leela

September
1 Recording for The Deadly Assassin takes place in BBC Television Centre Studio 8 The Deadly Assassin
2 Recording for The Deadly Assassin takes place in BBC Television Centre Studio 8 The Deadly Assassin
4 Debut broadcast of The Masque Of Mandragora episode one on BBC1 The Masque Of Mandragora
9 Chairman Mao Zedong of China dies
11 Debut broadcast of The Masque Of Mandragora episode two on BBC1 The Masque Of Mandragora
18 Debut broadcast of The Masque Of Mandragora episode three on BBC1 The Masque Of Mandragora
20 Filming for The Face Of Evil takes place at the Ealing Television Film Studios; Louise Jameson joins the regular cast of Doctor Who The Face Of Evil
21 Filming for The Face Of Evil takes place at the Ealing Television Film Studios The Face Of Evil
22 Filming for The Face Of Evil takes place at the Ealing Television Film Studios The Face Of Evil
23 Filming for The Face Of Evil takes place at the Ealing Television Film Studios The Face Of Evil
24 Filming for The Face Of Evil takes place at the Ealing Television Film Studios The Face Of Evil
25 Debut broadcast of The Masque Of Mandragora episode four on BBC1 The Masque Of Mandragora
27 Filming for The Face Of Evil takes place at the Ealing Television Film Studios The Face Of Evil
28 Filming for The Face Of Evil takes place at the Ealing Television Film Studios The Face Of Evil

October
2 Debut broadcast of The Hand Of Fear episode one on BBC1 The Hand Of Fear
9 Debut broadcast of The Hand Of Fear episode two on BBC1 The Hand Of Fear
11 Recording for The Face Of Evil takes place in BBC Television Centre Studio 3 The Face Of Evil
12 Recording for The Face Of Evil takes place in BBC Television Centre Studio 3 The Face Of Evil
16 Debut broadcast of The Hand Of Fear episode three on BBC1 The Hand Of Fear
23 Debut broadcast of The Hand Of Fear episode four on BBC1 The Hand Of Fear
24 Recording for The Face Of Evil takes place in BBC Television Centre Studio 3 The Face Of Evil
25 Recording for The Face Of Evil takes place in BBC Television Centre Studio 3 The Face Of Evil
26 A photocall is held to introduce Louise Jameson as new companion Leela Leela
26 Recording for The Face Of Evil takes place in BBC Television Centre Studio 3 The Face Of Evil
30 Debut broadcast of The Deadly Assassin episode one on BBC1 The Deadly Assassin

November
early
Nov
After originally agreeing to remain on Doctor Who for a fourth season, Philip Hinchcliffe is asked to take over Target, to be replaced by Graham Williams The Fourth Doctor
2 Filming for The Robots Of Death takes place at the Ealing Television Film Studios The Robots Of Death
3 Filming for The Robots Of Death takes place at the Ealing Television Film Studios The Robots Of Death
4 Filming for The Robots Of Death takes place at the Ealing Television Film Studios The Robots Of Death
5 Filming for The Robots Of Death takes place at the Ealing Television Film Studios The Robots Of Death
6 Debut broadcast of The Deadly Assassin episode two on BBC1 The Deadly Assassin
12 With Robert Banks Stewart unable to complete “The Foe From The Future” due to other commitments, Robert Holmes is commissioned to develop it as The Talons Of Weng-Chiang The Talons Of Weng-Chiang
13 Debut broadcast of The Deadly Assassin episode three on BBC1; after the cliffhanger ending incites a backlash from Mary Whitehouse and her National Viewers And Listeners Association, the BBC apologises and edits the master tape The Deadly Assassin
20 Debut broadcast of The Deadly Assassin episode four on BBC1 The Deadly Assassin
23 Recording for The Robots Of Death takes place in BBC Television Centre Studio 8 The Robots Of Death
23 Graham Williams conceives of Doctor Who's first season-long story arc, concerning the quest for the Key to Time, but defers it to Season Sixteen because there is no time to introduce it in Season Fifteen The Fourth Doctor

December
1 The Sex Pistols stoke outrage after swearing multiple times during an interview with Bill Grundy on Thames Television's early-evening Today show
6 Recording for The Robots Of Death takes place in BBC Television Centre Studio 1 The Robots Of Death
7 Recording for The Robots Of Death takes place in BBC Television Centre Studio 1 The Robots Of Death
13 Filming for The Talons Of Weng-Chiang takes place at the Ealing Television Film Studios and on location in London The Talons Of Weng-Chiang
14 Location filming for The Talons Of Weng-Chiang takes place in London The Talons Of Weng-Chiang
15 Tom Baker is contracted for Season Fifteen The Fourth Doctor
15 Louise Jameson is contracted for Season Fifteen Leela
15 Location filming for The Talons Of Weng-Chiang takes place in London The Talons Of Weng-Chiang
16 Location filming for The Talons Of Weng-Chiang takes place in London The Talons Of Weng-Chiang
17 Location filming for The Talons Of Weng-Chiang takes place in London The Talons Of Weng-Chiang