All is not well at the Wenley Moor underground atomic research station: there are unaccountable losses of power-output; nervous breakdowns amongst the staff; and then — a death!
UNIT is called in, and the Brigadier is soon joined by Doctor Who and Liz Shaw in a tense and exciting adventure with subterranean reptile men — Silurians — and a 40 ft. high Tyrannosaurus rex, the biggest, most savage mammal which ever trod the Earth!
Caroline John, who played Liz Shaw in the original TV serial Do...