Plot: Marine Boy enters a kind of submarine Grand Prix using a special boat invented by Dr. Mariner and Professor Fumble, but the sub is blown up before the race finishes
Marine Boy - Season 1 - The Super Mystery Boat (Episode 10)
Episode Aired On:
No estimated release date
No estimated release date
Yoshiko Ohta
Gorō Naya
Kazuko Sugiyama
Tadashi Nakamura