Written by Robert Holmes
"Human beings must be allowed to develop at their own pace. At this period, they're just a few steps from barbarism"
| Episode Title | Premiere Date |
| Episode 1 | 15/12/1973 |
| Episode 2 | 22/12/1973 |
| Episode 3 | 29/12/1973 |
| Episode 4 | 05/01/1974 |
The Doctor is called in by UNIT to investigate when a number of scientists go missing from a top security institute. Following the kidnappings back in time to the Middle Ages, he is unaware that investigative journalist Sarah Jane Smith has stowed aboard the TARDIS. As events unfold, the Doctor discovers a sinister alien, intent on altering the future of mankind...
Cast & Crew
The Doctor: Jon Pertwee
Sarah Jane Smith: Elisabeth Sladen
Brigadier Lethbridge-Stewart: Nicholas Courtney
Linx: Kevin Lindsay
Professor Rubeish: Donald Pelmear
Irongron: David Daker
Bloodaxe: John J. Carney
Eleanor: June Brown
Edward of Wessex: Alan Rowe
Hal: Jeremy Bulloch
Producer: Barry Letts
Director: Alan Bromly
Scriptwriter: Robert Holmes
