When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.

"A giant monster greater than Godzilla or Rodan!"

Credits

Ishirō HondaDirector

Kōzō NomuraKenji Uozaki

Ayumi SonodaYuriko Shinjô

Koreya SendaDr. Sugimoto

Akihiko HirataDr. Fujimora, bomb expert