When the body of a man is found completely destroyed in the swamps in Louisiana, the medical investigator Sam Rivers is assigned to investigate the murder. He travels with the biologist Mary Callahan to the location where the victim lived in a floating house and he meets his family and friends. They find that Chinese snake-heads genetically engineered that belong to a wealthy hunter are attacking and killing the locals. While the group fights to survive, the hunter Jeff arrives with his team to hunt the predators.

When a science experiment goes horribly wrong, gigantic fish gain appetites for human flesh.

The 20th century's first man lands on the moon and discovers - that Baron Munchausen has already beaten him to it, along with Cyrano and characters from Jules Verne's lunar-landing novel. The Baron spirits the young cosmonaut by horse-drawn ship back to an ancient "Earth", where they insult a sultan, rescue a princess, fall in love with the princess, and then as a trio have further experiences in a world of pastel colors, ornate dreamlike settings, and the inevitable angry disrupters of peacefulness and love.

When an unknown underwater object disables an American nuclear-powered submarine and attacks a submerged Arctic research complex, a scientific expedition flies to the North Pole to investigate these incidents as well as the sudden, inexplicable rise in temperature that threatens to melt the ice cap and flood the surface of the world.

An experimental submarine with a very experienced crew, the "Siren II" is sent to find out what happened to the "Siren I" after it mysteriously disappeared in a submarine rift. Things go awry when they begin to find things that shouldn't be there...

A constantly picked-on aquarium fish escapes her yacht home, unaware of the dangers that await her in the open ocean. With the help of other misfit sea creatures, she learns not only how to brave the perils of the deep, but how to be true to herself.