By scanning the location of underwater sunken ships, treasures, and even cities, the program attempts to answer what they look like, how they arrived there, and whether they have hidden any secrets.
7.4日本 / Kozure Ôkami: Meifumando/Baby Cart 5/Sword of Vengeance V/Baby Cart at the River Styx/Baby Cart in the Land of Demons/Crossroads to Hell/Lone Wolf and Cub: Baby Cart in Land of Demons/