Mitch Wayne is a geologist working for the Hadleys, an oil-rich Texas family. While the patriarch, Jasper, works hard to establish the family business, his irresponsible son, Kyle, is an alcoholic playboy, and his daughter, Marylee, is the town tramp. Mitch harbors a secret love for Kyle's unsatisfied wife, Lucy -- a fact that leaves him exposed when the jealous Marylee accuses him of murder.

Travails of a family heading West in a covered wagon.

A border-town bombing draws Mexican investigator Miguel Vargas into a corruption-ridden police investigation led by crooked captain Hank Quinlan, setting off a deadly struggle over power, justice, and truth.

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

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

A college paleontology professor acquires a newly discovered specimen of a coelacanth, but while examining it, he is accidentally exposed to its blood, and finds himself periodically turning into a murderous Neanderthal man.

Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.

Young man just out of college tries to persuade his father, who owns a record company, to start signing up rock 'n' roll acts.

Seeing a certain woman makes an airline pilot think he is a reincarnated World War I pilot.

A 400 year old disembodied head hypnotizes a female psychic, who recovered it using a dowsing rod, to search for the rest of its body.