
"Marine Boy" is produced in Japan but is intended for US audiences; it is one of the first color cartoons to come from Japan, soon to be sharing syndicated screen space with the likes of "Kimba the White Lion" and "Speed Racer."

A spy smuggles a proton bomb in a lunch box and takes it to an amusement park for a rendezvous with his cohorts, but a small boy switches boxes with the spy and acquires the weapon -- with its safety function disabled.

Scorpo traps Splasher with sound waves and tries to sell him to Smirkland.

Dr. Shinedor creates a laser designed to punish those who hunt and fish for sport.

Despo Mountebank, the Emperor of the Pacific Empire, uses a magnetic field to capture Marine Boy and his crew and tries to bend them to his will.