Rocks from a meteor which grow when in contact with water threaten a sleepy Southwestern desert community.
Teenagers from a rural community and their high school science teacher join forces to battle a giant mutant spider.
Global panic ensues when it is revealed that a mysterious UFO is actually a giant bird that flies at supersonic speed and has no regard for life or architecture.
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.
A friendly visitor from outer space warns against conducting experiments with the Earth's magnetic field, that could mutate insects into giant monsters.
An atomic explosion awakens Gammera--a giant, fire-breathing turtle monster--from his millions of years of hibernation. Enraged at being roused from such a sound sleep, he takes it out on Tokyo.
