When aquatic aliens plot to take over the planet, the world aquanaut security patrol are called in to battle the aliens.

Adventures of the super-sub Stingray and the World Aquanaut Security Patrol and their battles against Titan, leader of the underwater city of Titanica.

A British children's Supermarionation television series.

An American in London kills the husband of a woman he covets. She returns the favor by killing his fiancée.