Searching for his brother, Ryota stows away on a boat belonging to a criminal alongside two other teenagers. The group shipwrecks on Letchi island and discover the Infant Island natives have been enslaved by a terrorist organization controlling a crustacean monster. Finding a sleeping Godzilla, they decide to awaken him to defeat the terrorists and liberate the natives.
- Original title: ゴジラ・エビラ・モスラ 南海の大決闘
- Release date: Dec. 17, 1966
- Status: Released
- Genres: Science Fiction, Action, Fantasy
- Runtime: 1h 27min
- Producers: Toho