S1·E10 – The Super Mystery Boat
• 30 min
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.
• 30 min
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.
