A giant you-know-what is traipsing across the Arizona desert eating up ranchers and knocking down phone and power lines. Medical doctor John Agar is our hero who thinks there’s something strange going on in the secluded laboratory of secretive scientist Leo G. Carroll, but the law won’t believe him. He keeps up his own investigation though, which also gives him an excuse to get closer to Carroll’s sexy new assistant, Mara Corday.
Paint-by-numbers 50s giant bug movie, but director Jack Arnold’s breezy style keeps you watching.
A young Clint Eastwood shows up for about a minute toward the end.