Unusual volcanic activity in Japan awakens Gyaos, a bloodthirsty flying monster with the power to slice things in half with an ultrasonic ray. While scientists and the military scramble to devise a way to stop this new threat, a young boy forms an alliance with Gamera; a monster no one else seems to trust.

• Daiei Film
• Ex Productions
• Kōjirō Hongō
• Kichijirō Ueda
• Reiko Kasahara
• Naoyuki Abe
• Taro Marui
• Yukitaro Hotaru
• Yoshirō Kitahara
• Fujio Murakami