January 20, 1979 at 6.25pm on BBC 1: Doctor Who – “The Armageddon Factor”

Last Adventure: The Power of Kroll

Next Adventure: Destiny of the Daleks

Season 16, Serial 6

In search of the final segment of the Key to Time, the TARDIS takes the Doctor, Romana and K-9 to the planet Atrios which is engaged in a war with its neighbouring planet, Zeos.

Find out more at the TARDIS Data Core.

Notable Cast

  • Tom Baker, “Doctor Who
  • Mary Tamm, “Romana”
  • John Leeson, Voice of “K9”
  • John Woodvine, “Marshal”
  • Lalla Ward, “Princess Astra”
  • William Squire, “The Shadow”
  • Barry Jackson, “Drax”
  • Valentine Dyall, “The Guardian”

Episodes

Find out more in the BBC’s Doctor Who episode guide.

Novelised as Doctor Who and the Armageddon Factor.

January 20, 1979: Doctor Who in “The Armageddon Factor”

Season 16 – “The Power of Kroll”

Season 17 – “Destiny of the Daleks”

In search of the final segment of the Key to Time, the TARDIS takes the Doctor, Romana and K-9 to the planet Atrios which is engaged in a war with its neighbouring planet, Zeos.

First broadcast January 20 – February 24, 1979 on BBC 1 at 6.25/6.20/6.30pm; six parts

Notable Cast & Crew

  • Tom Baker – “Doctor Who”
  • Mary Tamm – “Romana”/”Princess Strella”
  • John Leeson – Voice of “K9”
  • John Woodvine – “Marshal”
  • Lalla Ward – “Princess Astra”
  • Barry Jackson – “Drax”
  • Valentine Dyall – “The Guardian”
  • Bob Baker and Dave Martin – writers

Find out more

Novelised as Doctor Who and the Armageddon Factor

*The 20th Century in Sound & Vision is not responsible for these websites

January 18, 1979: “Doctor Who and the Hand of Fear” published by Target Books

Doctor Who and the Hand of Fear was a novelisation by Terrance Dicks, based on the 1976 Doctor Who television serial The Hand of Fear.

The Tardis lands in England, and Sarah, the Fourth Doctor’s companion, looks forward to going home.
A freak accident in a quarry leaves the unconscious Sarah clutching an enormous stone Hand.
The Hand is the only surviving remnant of Eldrad, an alien super-being expelled from his planet, Kastria – and it has the power to control the human mind. Using Sarah as its instrument, the Hand goes in search of the atomic energy it needs to regenerate Eldrad’s body.
Eldrad is determined to return to Kastria and punish his enemies. The Doctor and Sarah are caught up in the terrifying conclusion of a drama of betrayal and revenge that began millions of years ago.

Publisher’s summary, 1979 edition

Find out more at the TARDIS Data Core*

December 30, 1978: Doctor Who in “The Power of Kroll”

In search of the fifth segment of the Key to Time, the Doctor and Romana arrive on the third moon of Delta Magna where Romana is captured by the native, green-skinned Swampies.

First broadcast December 30, 1978 on BBC 1 at 6.15/6.30/6.25pm; four parts

Notable Cast & Crew

  • Tom Baker – “Doctor Who”
  • Mary Tamm – “Romana”/”Princess Strella”
  • Neil McCarthy – “Thawn”
  • John Abineri – “Ranquin”
  • Philip Madoc – “Fenner”
  • Glyn Owen – “Rohm-Dutt”
  • John Leeson – “Dugeen”
  • Robert Holmes – writer

Find out more

Novelised as Doctor Who and the Power of Kroll

*The 20th Century in Sound & Vision is not responsible for these websites

December 7, 1978: “Doctor Who and the Sontaran Experiment” published by Target Books

Doctor Who and the Sontaran Experiment by Ian Marter

Doctor Who and the Sontaran Experiment was a novelisation by Ian Marter based on the 1975 television serial The Sontaran Experiment.

Landing on Earth, now a barren, desolate planet, Sarah, Harry and the Fourth Doctor are unaware of the large, watching robot. The robot is the work of Styre, a Sontaran warrior, who uses all humans landing here for his experimental programmes.
What has happened to the other space explorers who have come here? Why is the Sontaran scout so interested in Earth and is brutally torturing humans, including Sarah Jane? Will the Doctor, be able to prevent an invasion and certain disaster, and save both Earth and his companions?

Doctor Who and the Sontaran Experiment was published by Target on December 7, 1978.