Inventor Goro Ibuki creates a humanoid robot named Jet Jaguar. It is soon seized by an undersea race of people called the Seatopians. Using Jet Jaguar as a guide, the Seatopians send Megalon as vengeance for the nuclear tests that have devastated their society.
Rated G | Length 82 minutes
Katsuhiko Sasaki | Hiroyuki Kawase | Yutaka Hayashi | Robert Dunham | Kotaro Tomita | Ulf Otsuki | Gentaro Nakajima | Sakyo Mikami | Fumiyo Ikeda | Kanta Mori | Rolf Jessup | Eisuke Nakanishi | Shinji Takagi | Hideto Odachi | Tsugutoshi Komada | Kenpachirô Satsuma