Godzilla vs. the Sea Monster

Godzilla vs. The Sea Monster also known as Ebirah, Horror of the Deep and released in Japan as Godzilla, Ebirah, Mothra Big Duel in the South Seas , Gojira, Ebira, Mosura Nankai no Daikett? is a 1966 Japanese science fiction kaiju film produced by Toho. Directed by Jun Fukuda with special effects by Sadamasa Arikawa supervised by Eiji Tsuburaya, the film starred Akira Takarada, Akihiko Hirata, and Eisei Amamoto. The seventh film in the Godzilla series, this was the first of two islandthemed adventure films starring Godzilla.

After Yata Toru Ibuki is lost at sea, his brother Ryota Toru Watanabe steals a yacht with his two friends and a bank robber, the crew runs afoul of the giant lobster Ebirah, and washes up on the shore of an island, where a terrorist organization manufactures heavy water for their purposes, as well as a chemical that keeps Ebirah at bay. The organization, known as the Red Bamboo, has enslaved natives from Infant Island to help them, but the natives hope to awaken Mothra now a fullgrown moth metamorphosed from the larva that appeared in Ghidorah, the ThreeHeaded Monster to rescue them.In their efforts to avoid capture, Ryota and his friends, aided by a beautiful native girl, stumble across Godzilla sleeping within a cliffside cavern. The group devises a plan to defeat the Red Bamboo and escape from the island. In the process, they wake Godzilla using a lightning rod. Godzilla fights Ebirah, but the giant crustacean escapes. Godzilla is then attacked by a giant condor and a squadron of Red Bamboo fighter jets, but destroys them. ........

Source: Wikipedia