City Beneath the Sea (1971) Free Watch
A group of 21st-century colonists inhabit an underwater city called Pacifica. They find that they must defend their city against hostile alien forces.
Release Date: 1971
Duration: 98 min
Director: Irwin Allen
Writers: Irwin Allen, John Meredyth Lucas
Stars: Stuart Whitman, Rosemary Forsyth, Robert Colbert