Giant robots from Venus invade Chicago. Stranded in the deserted city are Frank and Nora (who has recently attempted suicide).
A mad scientist transforms a panther into a man-like creature that escapes and goes on a murderous rampage.
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.
Botanist Frank Parrish leads an expedition to the Himalayas to seek out new flora, accompanied by hardboiled news photographer Peter Wells. When their lead guide, Subra, learns his wife has been kidnapped by a Yeti, Parrish disbelieves him, so the sherpas commandeer the expedition at gunpoint and...
