In a tributary of the Amazon, a monster – half-man, half-fish – is captured and placed in a reservoir in a Florida national park to be...

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

Government agents find evidence of extraterrestrial life at the South Pole.

A social misfit, Willard is made fun of by his co-workers, and squeezed out of the company started by his deceased father by his boss. His only...

Paris, 1482. Today is the festival of the fools, taking place like each year in the square outside Cathedral Notre Dame. Among jugglers and other...

Rocks from a meteor which grow when in contact with water threaten a sleepy Southwestern desert community.

A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way...

Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which...

In 19th century London, a sex maniac sneaks into the engagement party of Dr. Henry Jekyll and Miss Fanny Osbourne, turning the event into a...

Greedy sailors capture a giant lizard off the coast of Ireland and sell it to a London circus. Then its mother shows up.