Gojira · Ebira · Mosura Nankai no daikettô

A group of teenagers, including Yoshimura, steal a boat to search for his brother, who is lost at sea. They shipwreck on Letchi Island and discover it's being used by the Red Bamboo terrorist organization to manufacture heavy water and control a giant lobster-like creature, Ebirah. The group befriends a native girl named Dayo and awakens Godzilla, who is sleeping within a cliffside cavern, to defeat the Red Bamboo and free the enslaved island natives. Godzilla fights Ebirah, then faces off against Mothra, but ultimately helps the natives escape and destroys the Red Bamboo's base, killing Ebirah in the process.