Astronauts Glenn and Fuji investigate Planet X and encounter mysterious aliens known as the Xiliens, who ask Earth's people to help save their world...

A submarine expedition to salvage the remains of Mechagodzilla is thwarted by a massive dinosaur named Titanosaurus. An Interpol investigation leads...

Manga artist Gengo Odaka lands a job with the World Children's Land amusement park only to become suspicious of the organization when a garbled...

After the previous Godzilla attack, a miniature arms race ensues to collect his cells. Concerned over Godzilla's possible return, the Japanese...

During an assignment, foreign correspondent Steve Martin spends a layover in Tokyo and is caught amid the rampage of an unstoppable prehistoric...

A young woman inherits her estranged father's estate after his mysterious death. Once she and her friends arrive at the mansion, they discover that...

A portion of the tail of a prehistoric reptile is discovered in Denmark. It regenerates into the entire reptile, which proceeds to destroy buildings...

Mining engineer Shigeru investigates the disappearance and death of his fellow coworkers when prehistoric nymphs are discovered emerging from the...

Reporter Goro Maki stumbles upon scientists conducting weather experiments on Sollgel Island in the South Seas. He discovers the island is inhabited...

The California coast is terrorized by two enormous prehistoric sea creatures as they battle each other for supremacy of the sea.

A floating amorphous life-form descends from the atmosphere to consume carbon in the form of diamonds.

Bootleggers on the lam Frankie and Noll split up to evade capture by the police. Frankie is caught and jailed, but Noll manages to escape and open a...

Carl the Gardner grows odd plants for a rich Yankee woman Ellen Bennett living in South America while exercising a mental hold over her. All his...

Dracula conspires with a mad doctor to resurrect the Frankenstein Monster.

Teenagers from a small town and their high school science teacher join forces to battle a giant mutant spider, living in a cave nearby and getting...

In Japan, scientifically advanced invaders from the war-destroyed planet Mysteroid cause an entire village to vanish, then send a giant robot out to...

Jess Franco's version of the Bram Stoker classic has Count Dracula as an old man who grows younger whenever he dines on the blood of young maidens.

Inventor Goro Ibuki creates a humanoid robot named Jet Jaguar. It is soon seized by an undersea race of people called the Seatopians. Using Jet...

When a space probe crash-lands on a far-flung Pacific atoll, the craft's alien stowaways decide to take over their new world one creature at a time....

A Scotland Yard investigator looks into four mysterious cases involving an unoccupied house.