In Nightbeast, filmmaker Don Dohler rehashes many of the elements of his 1979 film The Alien Factor, this time utilizing a lizardlike extraterrestrial as his villain. Crash-landing on earth, the Nightbeast ravages the countryside, chowing down on human beings whenever he gets the urge. The monster is done in Beast From 20,000 Fathoms-fashion by 30,000 watts of electricity. Considering its cheapness, Terror from the Unknown contains some surprisingly convincing make-up jobs and special effects.