The Doctor Who Production Diary: 1978

January
7 Debut broadcast of Underworld episode one on BBC1 Underworld
7 Ted Lewis is commissioned to provide a storyline for “Shield Of Zarak” The Fourth Doctor
10 David Fisher is commissioned to write The Stones Of Blood The Stones Of Blood
14 Debut broadcast of Underworld episode two on BBC1 Underworld
21 Debut broadcast of Underworld episode three on BBC1 Underworld
27 Bob Baker and Dave Martin are commissioned to write The Armageddon Factor The Armageddon Factor
28 Debut broadcast of Underworld episode four on BBC1 Underworld

February
history, almost 600 people die when two planes collide at Tenerife in the Canary Islands
1 Movie director Roman Polanski flees to France to avoid sentencing on charges of underaged sex
4 Debut broadcast of The Invasion Of Time episode one on BBC1 The Invasion Of Time
11 Debut broadcast of The Invasion Of Time episode two on BBC1 The Invasion Of Time
14 John Leeson is contracted for The Ribos Operation K·9
14 Auditions are held for the role of the new companion, now referred to as Romana; the part goes to Mary Tamm The First Romana
17 A photocall is held to introduce Mary Tamm as new companion Romana The First Romana
18 Debut broadcast of The Invasion Of Time episode three on BBC1 The Invasion Of Time
24 Ted Lewis is commissioned to write “Shield Of Zarak” The Fourth Doctor
25 Debut broadcast of The Invasion Of Time episode four on BBC1 The Invasion Of Time

March
4 Debut broadcast of The Invasion Of Time episode five on BBC1 The Invasion Of Time
11 Debut broadcast of The Invasion Of Time episode six on BBC1 The Invasion Of Time
14 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

April
9 Recording for The Ribos Operation takes place in BBC Television Centre Studio 4; Mary Tamm joins the regular Doctor Who cast The Ribos Operation
10 Recording for The Ribos Operation takes place in BBC Television Centre Studio 4 The Ribos Operation
11 Recording for The Ribos Operation takes place in BBC Television Centre Studio 4 The Ribos Operation
mid
Apr
Tom Baker suffers a deep cut on his lip while playing with a dog owned by Paul Seed, who is playing the Graff Vynda-K in The Ribos Operation; although concealed by make-up, the resulting scar is visible on-screen in this story and The Pirate Planet The Ribos Operation
17 John Leeson is contracted for The Pirate Planet K·9
24 Recording for The Ribos Operation takes place in BBC Television Centre Studio 4 The Ribos Operation
25 Recording for The Ribos Operation takes place in BBC Television Centre Studio 4 The Ribos Operation
28 The Afghan Civil War begins when President Daoud Khan is killed during a coup by communist supporters

May
1 Location filming for The Pirate Planet takes place in Berkeley, Gloucestershire The Pirate Planet
2 Location filming for The Pirate Planet takes place in Blaenavon, Wales; Bwlch y Garn, Wales; and probably Llanfoist, Wales The Pirate Planet
3 Location filming for The Pirate Planet takes place in Daren-Felen, Wales The Pirate Planet
4 Location filming for The Pirate Planet takes place in Dan-yr-Ogof, Wales The Pirate Planet
5 Location filming for The Pirate Planet takes place in Daren-Felen, Wales The Pirate Planet
15 John Leeson is contracted for The Stones Of Blood K·9
22 Recording for The Pirate Planet takes place in BBC Television Centre Studio 6 The Pirate Planet
23 Recording for The Pirate Planet takes place in BBC Television Centre Studio 6 The Pirate Planet
25 Ted Kaczynski, known as the “Unabomber”, commits his first attack by sending a bomb to an engineering professor at Northwestern University
26 David Fisher is commissioned to write The Androids Of Tara The Androids Of Tara
26 Robert Holmes is commissioned to write The Power Of Kroll The Power Of Kroll

June
3 Recording for The Pirate Planet takes place in BBC Television Centre Studio 6 The Pirate Planet
4 Recording for The Pirate Planet takes place in BBC Television Centre Studio 6 The Pirate Planet
5 Recording for The Pirate Planet takes place in BBC Television Centre Studio 6 The Pirate Planet
12 Location filming for The Stones Of Blood takes place in Little Compton, Warwickshire The Stones Of Blood
13 Location filming for The Stones Of Blood takes place in Long Compton, Warwickshire The Stones Of Blood
14 Location filming for The Stones Of Blood takes place in Llittle Rollright, Warwickshire The Stones Of Blood
15 Location filming for The Stones Of Blood takes place in Llittle Rollright, Warwickshire The Stones Of Blood

July
3 Recording for The Stones Of Blood takes place in BBC Television Centre Studio 3 The Stones Of Blood
4 Recording for The Stones Of Blood takes place in BBC Television Centre Studio 3 The Stones Of Blood
16 Recording for The Stones Of Blood takes place in BBC Television Centre Studio 3 The Stones Of Blood
17 Recording for The Stones Of Blood takes place in BBC Television Centre Studio 3 The Stones Of Blood
18 Recording for The Stones Of Blood takes place in BBC Television Centre Studio 3 The Stones Of Blood
24 Location filming for The Androids Of Tara takes place in Leeds, Kent The Androids Of Tara
25 The world's first test tube baby, Louise Brown, is born in England
25 Location filming for The Androids Of Tara takes place in Leeds, Kent The Androids Of Tara
26 Location filming for The Androids Of Tara takes place in Leeds, Kent The Androids Of Tara
27 Location filming for The Androids Of Tara takes place in Leeds, Kent The Androids Of Tara
28 Location filming for The Androids Of Tara takes place in Leeds, Kent The Androids Of Tara

August
14 Recording for The Androids Of Tara takes place in BBC Television Centre Studio 6 The Androids Of Tara
15 Recording for The Androids Of Tara takes place in BBC Television Centre Studio 6 The Androids Of Tara
22 It is agreed that, since K·9 does not appear in The Power Of Kroll, John Leeson can play the on-screen role of Dugeen instead The Power Of Kroll
28 Recording for The Androids Of Tara takes place in BBC Television Centre Studio 1 The Androids Of Tara
29 Recording for The Androids Of Tara takes place in BBC Television Centre Studio 1 The Androids Of Tara

September
2 Debut broadcast of The Ribos Operation episode one on BBC1 The Ribos Operation
9 Debut broadcast of The Ribos Operation episode two on BBC1 The Ribos Operation
16 Debut broadcast of The Ribos Operation episode three on BBC1 The Ribos Operation
17 Israeli Prime Minister Menachem Begin and Egyptian President Anwar Sadat sign the Camp David Accords as a potential framework for peace in the Middle East
18 Location filming for The Power Of Kroll takes place in Snape, Suffolk The Power Of Kroll
19 Location filming for The Power Of Kroll takes place in Iken, Suffolk The Power Of Kroll
20 Location filming for The Power Of Kroll takes place in Snape, Suffolk The Power Of Kroll
21 Location filming for The Power Of Kroll takes place in Snape, Suffolk and Iken, Suffolk The Power Of Kroll
22 Location filming for The Power Of Kroll takes place in Iken, Suffolk The Power Of Kroll
23 Debut broadcast of The Ribos Operation episode four on BBC1 The Ribos Operation
25 Location filming for The Power Of Kroll takes place in Iken, Suffolk The Power Of Kroll
26 Location filming for The Power Of Kroll takes place in Iken, Suffolk The Power Of Kroll
27 Location filming for The Power Of Kroll takes place in Iken, Suffolk The Power Of Kroll
28 Location filming for The Power Of Kroll takes place in Iken, Suffolk The Power Of Kroll
30 Debut broadcast of The Pirate Planet episode one on BBC1 The Pirate Planet

October
early
Oct
Tom Baker threatens to leave Doctor Who if he is not given more creative control; Head of Drama Graeme McDonald advises Graham Williams to fire his lead actor The Fourth Doctor
7 Debut broadcast of The Pirate Planet episode two on BBC1 The Pirate Planet
9 Recording for The Power Of Kroll takes place in BBC Television Centre Studio 6 The Power Of Kroll
10 Recording for The Power Of Kroll takes place in BBC Television Centre Studio 6 The Power Of Kroll
11 Recording for The Power Of Kroll takes place in BBC Television Centre Studio 6 The Power Of Kroll
14 Debut broadcast of The Pirate Planet episode three on BBC1 The Pirate Planet
19 Filming for The Power Of Kroll takes place at Bray Studios The Power Of Kroll
20 Filming for The Power Of Kroll takes place at Bray Studios The Power Of Kroll
21 Debut broadcast of The Pirate Planet episode four on BBC1 The Pirate Planet
28 Debut broadcast of The Stones Of Blood episode one on BBC1 The Stones Of Blood
late
Oct
Tom Baker agrees to table his threatened resignation from Doctor Who pending further discussions The Fourth Doctor
late
Oct
Douglas Adams, who will script edit Doctor Who's seventeenth season, begins trailing Anthony Read The Fourth Doctor
late
Oct
John Lloyd is commissioned to write “The Doomsday Contract” The Fourth Doctor

November
4 Debut broadcast of The Stones Of Blood episode two on BBC1 The Stones Of Blood
5 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
6 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
7 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
11 Debut broadcast of The Stones Of Blood episode three on BBC1 The Stones Of Blood
16 David Fisher is commissioned to write The Creature From The Pit The Creature From The Pit
18 In Guyana, cult leader Jim Jones leads a mass suicide that results in the deaths of almost one thousand followers
18 Debut broadcast of The Stones Of Blood episode four on BBC1 The Stones Of Blood
20 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
21 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
22 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
25 Debut broadcast of The Androids Of Tara episode one on BBC1 The Androids Of Tara

December
2 Debut broadcast of The Androids Of Tara episode two on BBC1 The Androids Of Tara
3 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
4 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
5 Recording for The Armageddon Factor takes place in BBC Television Centre Studio 3 The Armageddon Factor
9 Debut broadcast of The Androids Of Tara episode three on BBC1 The Androids Of Tara
12 Alistair Beaton and Sarah Dunant are commissioned to write “Child Prodigy” The Fourth Doctor
15 Tom Baker is tendered a contract for Season Seventeen, but he refuses to sign and renews his threat to resign when Graham Williams sets a January 4th deadline; Williams, in turn, promises to quit if the BBC concedes to Baker's demands The Fourth Doctor
16 Mary Tamm's departure at the end of Season Sixteen is announced to the press The First Romana
16 Debut broadcast of The Androids Of Tara episode four on BBC1 The Androids Of Tara
20 Terry Nation is commissioned to write Destiny Of The Daleks Destiny Of The Daleks
23 Debut broadcast of The Power Of Kroll episode one on BBC1 The Power Of Kroll
30 Debut broadcast of The Power Of Kroll episode two on BBC1 The Power Of Kroll