
"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."

Marine Boy's specially designed boat explodes before a race and signs point to sabotage via a remotely controlled missile.

During a flight, Tycoon spots a statue that turns out to hold a grand treasure.

Smirch and Capt. Slicker, plotting to steal uranium, swipe nuclear rock drills from the Ocean Patrol, but their actions cause an oil spill in the Mindanao Trench.

Marine Boy and Splasher show Dr. Mariner a time capsule they found and open it to reveal a document telling of a button that triggers tidal waves.