The Third Doctor and Sarah arrive in 1970s London to find it has been evacuated because dinosaurs have appeared mysteriously. It turns out the dinosaurs are being brought to London via a time machine to further a plan to revert London to a pre-technological level.
Director: Paddy Russell
Writers: Malcolm Hulke, Terrance Dicks
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Returning from her first adventure with the doctor in the TARDIS, "Sarah Jane" (Elisabeth Sladen) gets a bit more of the action as she and the "Doctor" (Jon Pertwee) discover a London that's been evacuated after a spate of dinosaur attacks. After an altercation with the army over…
