A group of 21st-century colonists inhabit an underwater city called Pacifica. Originally intended as a purely scientific installation, the U. S. government wants to stash all its gold reserves from Fort Knox there, along with a fantastic new radioactive element. The brother of Pacifica's returning former commander plans to steal the gold and on top of that, the city faces destruction by an asteroid from outer space!

A documentary showcasing the world's many different animal species, both past and present.

The crew of an atomic submarine battle to save the world from global destruction.

Professor Challenger leads an expedition of scientists and adventurers to a remote plateau deep in the Amazonian jungle to verify his claim that dinosaurs still live there.

A circus owner tries to keep his financially troubled circus on the road, despite the efforts of a murderous saboteur who has decided that the show must not go on.

The prospects for continuing life on Earth in the year 2058 are grim. So the Robinsons are launched into space to colonize Alpha Prime, the only other inhabitable planet in the galaxy. But when a stowaway sabotages the mission, the Robinsons find themselves hurtling through uncharted space.