Movies and TvShows featuring "unknown-creature" theme.

Thundarr is a barbarian who fights against evil forces in a post-apocalyptic future with the help of his horse, Ookla, and sorceress princess, Ariel.

When a mysterious sea creature starts attacking an oil rig, a group of workers must band together to survive and defeat the creature before it kills them all.

Twelve people are confined together in an abandoned maximum security prison in the middle of the Amazon forest, and end up having to fight for their lives against unknown creatures and supernatural odds.

Detective Brighton investigates a series of unusually gruesome murders and is soon caught in a web of intrigue involving a mad scientist, a beautiful woman, a power mad politician, and one very ferocious monster. Their secret lies in a mysterious formula which could unlock the secrets of immortality... and on a less positive note, also cause the mass mutation of all life on earth! The bodies pile up as everyone scrambles for possession of the formula. It culminates in a climactic showdown whose outcome will determine the fate of all mankind!