Mysterious aliens known as Xiliens arrive from Planet X and ask Earth's people to help them save their world from "Monster Zero". In exchange for borrowing Godzilla and Rodan, the Xiliens offer a cure for cancer. Sent on the expedition are astronauts Glenn and Fuji who discover Monster Zero is none other than King Ghidorah.
|Crew||Eiji Tsuburaya||Special Effects|
|Camera||Hajime Koizumi||Director of Photography|
|Art||Takeo Kita||Production Design|
|Production||Henry G. Saperstein||Executive Producer|
|Production||Reuben Bercovitch||Executive Producer|
|Sound||Akira Ifukube||Original Music Composer|
|Directing||Koji Hashimoto||Assistant Director|