In the final episode Jones is struck down with the deadly virus and the Doctor uses the Metebelis crystal to break the computer's hold over Stevens.
Drama
Year 1973
26 min
The Third Doctor: Jon Pertwee Bursting into colour, Doctor Who underwent a dramatic makeover when Jon Pertwee’s debonair dandy arrived, exiled to Earth for four years of action-packed, moralistic adventures.
Injured by the Orgrons, the Doctor asks the Time Lords to send the TARDIS after the Daleks. Leaving him to sleep and recuperate, Jo goes to explore the planet Spirodon.
In the Dalek city, the Doctor breaks out of his prison cell and joins forces with the Thals. With the Daleks in pursuit, he is forced to improvise a daring escape plan.
The Doctor and the Thals escape from the Dalek city and the Doctor is delighted to find Jo is alive. But the Daleks are preparing deadly bacteria to kill all life on the planet.
A force of ten thousand Daleks is coming to life below the surface of Spiridon. The Doctor and the Thals must find a way to defeat the Daleks before they invade the galaxy.
In Wales, a dead miner is found glowing green. UNIT investigates and Jo empathises with the environmentalism of Cliff Jones who is opposing the pollution from Global Chemicals.
Investigating the old mine workings, Jo and miner, Bert, become trapped beneath the surface when the lift is sabotaged. Bert touches some green slime and becomes infected.
The Doctor and Jo discover the mine’s terrible secret. Global Chemicals’ managing director, Stevens is determined that they won’t live to reveal what they have learnt.
Captain Mike Yates is taken over by the super computer, BOSS and ordered to kill the Doctor. Cliff and Jo are trapped by the maggots as UNIT launch their attack.
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