Chōtarō Tōgin

Aliens have released all the giant monsters from their imprisonment on Monster Island and are using them to destroy all major cities on the planet. It's up to the daring crew of the spaceship SY-3 to infiltrate the aliens' headquarters before the monsters and King Ghidrah annihilate the planet.

A teenager searching for his brother who stowed away on a crook’s boat must rouse Godzilla on the island where terrorist slavers found the wreckage.