Action / Adventure / Science Fiction
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 Jaguar as a guide, the Seatopians send Megalon as vengeance for the nuclear tests that have devastated their society.


Inventor Goro Ibuki

Hiroshi Jinkawa

Rokuro 'Roku-chan' Ibuki
Japan Special Defense Forces Chief

Lead Seatopian Agent
Seatopian Agent
Truck Driver's Assistant
Man from Unit 1

Emperor Antonio of Seatopia
Truck Driver
Antonio's Aide (Radio Operator in White)
Godzilla

French nuclear tests irradiate an iguana into a giant monster that viciously attacks freighter ships in the Pacific Ocean. A team of experts, including Niko Tatopoulos, conclude that the oversized reptile is the culprit. Before long, the giant lizard is loose in Manhattan as the US military races to destroy the monster before it reproduces and it's spawn takes over the world.

After the entire flora goes extinct, ecologist Lowell maintains a greenhouse aboard a space station for the future with his android companions. However, he rebels after being ordered to destroy the greenhouse in favor of carrying cargo, a decision that puts him at odds with everyone but his mechanical companions.

A member of an elite paramilitary counter-terrorism unit becomes traumatized after witnessing the suicide bombing of a young girl and is forced to undergo retraining. However, unbeknownst to him, he becomes a key player in a dispute between rival police divisions, as he finds himself increasingly involved with the sister of the girl he saw die.

Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.