Classic Who S7 • Serial 2 · (7 episodes)
Doctor Who and the Silurians
Other variations of this story: Doctor Who and the Silurians (BBC Audio Soundtrack)
Exiled to Earth and now working for UNIT as their scientific advisor, the Doctor is summoned to the underground Wenley Moor nuclear research facility to investigate a series of inexplicable power losses. He soon discovers they are being caused by the Silurians, the former rulers of the Earth.
Awaking from a hibernation which has lasted millions of years, they are now intent on reclaiming the Earth from Mankind...
7 Episodes:
The Doctor and Liz are summoned to the Wenley Moor Research Centre by the Brigadier, after several staff members suffer nervous breakdowns.
The Doctor attempts to convince people there are monsters in the caves, prompting Major Baker to start shooting at a reptile man.
The Silurians contact Quinn for help in retrieving the creature while the Doctor and the Brigadier organise a search of the moors.
With Quinn dead, the Brigadier decides to take an armed party into the caves, prompting the Doctor to contact the Silurians himself.
Worried about the Old Silurian's growing friendship with the Doctor, the Young Silurian has the scientist infect Baker with a virus and then release him.
While the Doctor and Liz try to find a cure to the virus spread by Baker, the Young Silurian kills the Old Silurian and takes control of his people.
While Liz distributes the cure to the virus, the Doctor discovers the Silurians now plan to wipe out humanity by destroying the Van Allen Belt.