Attack of the Crab Monsters is a 1957, black-and-white, science fiction film produced and directed by Roger Corman, that stars Richard Garland, Pamela Duncan and Russell Johnson. The film was theatrically distributed by Allied Artists Pictures Corp. on a double bill with Not of This Earth.
Plot: A scientific expedition that is sent to a remote Pacific island to discover what happened to the scientists of the first. Unknown to them when they arrive, the island is inhabited by a mating pair of two radiation-mutated intelligent giant crabs. The giants are also slowly undermining the geology of the island, causing it to fall away, piece by piece, into the ocean.
Plot: A scientific expedition that is sent to a remote Pacific island to discover what happened to the scientists of the first. Unknown to them when they arrive, the island is inhabited by a mating pair of two radiation-mutated intelligent giant crabs. The giants are also slowly undermining the geology of the island, causing it to fall away, piece by piece, into the ocean.