

Season 1 • Episode 1
LatestMarine Boy, suspecting sabotage, investigates when an "unsinkable" nuclear ship is lost during a tornado.
Marine Boy was one of the first color anime cartoons to be shown in a dubbed form in the U.S., and later in Australia and the United Kingdom. It was originally produced in Japan as Undersea Boy Marine by Minoru Adachi and animation company Japan Tele-Cartoons. It was sold outside of Japan via K. Fujita Associates Inc., with Warner Bros / Seven Arts Television handling worldwide distribution of the English-language version.
Production
First color anime syndicated in America — total trailblazer status.
Practical Effects
Underwater animation techniques that look charmingly janky now.
Trivia, insights & behind the scenes
Warner Bros' distribution deal made this many Americans' first exposure to Japanese animation, predating Speed Racer by two years.
The original Japanese title 'Kaitei Shonen Marine' was completely restructured for Western audiences, with episodes reordered and music replaced.