As a result of nuclear testing, gigantic, ferocious mutant ants appear in the American desert southwest, and a father-daughter team of entomologists join forces with the state police officer who first discovers their existence, an FBI agent and, eventually, the US Army to eradicate the menace, before it spreads across the continent — and the world.
Them! is a 1954 black-and-white science fiction giant monster film starring James Whitmore, Edmund Gwenn, Joan Weldon, and James Arness. Produced by David Weisbart, the film was directed by Gordon Douglas, based on an original story by George Worthing Yates that was developed into a screenplay by Ted Sherdeman, with adaptation by Russell Hughes.