It's the classic sci-fi tale of the six-armed "octopus" monster that wreaks havoc on San Francisco. When a pair of scientists team up with a nuclear submarine captain to stop the nefarious creature, can they succeed in time before the monster tears down the hallmarked Golden Gate Bridge?

The cast includes: Kenneth Tobey, Ian Keith, Faith Domergue, Donald Curtis, Dean Maddox Jr., Harry Lauter, Chuck Griffiths, and Richard W. Peterson.

Written by: Hal Smith and George Worthing Yates. Directed by: Robert Gordon.