Release Date: 1974-06-08
Overview: The blue crystal that the Doctor took from Metebelis III in a previous adventure is desperately sought by the Eight Legs, a race of mutated spiders, as the final element in their plan for universal domination. With help from an old mentor, the Doctor realises the only way to foil the plot is to make the ultimate sacrifice. The Doctor must risk death to return to the cave of the Great One and save the universe.
Rating: 7.438 / 10
Jon Pertwee
as The Doctor
Tom Baker
as The Doctor
Elisabeth Sladen
as Sarah Jane Smith
Nicholas Courtney
as Brigadier Lethbridge-Stewart
Richard Franklin
as Mike Yates
Barry Letts - Director
Barry Letts - Writer
Robert Sloman - Writer
Terrance Dicks - Script Editor
Barry Letts - Producer
Whilst the "Doctor" (Jon Pertwee) and the "Brigadier" (Nicholas Courtney) are doing some experimentation with a scientist with strong clairvoyant skills, "Capt. Yates" (Richard Franklin) manages to in...