Toward the end of World War II, the German Type VIIC submarine was acknowledged to be one of the most advanced -- and deadliest -- predators on the seas. Yet, in at least one case, some of the same technological breakthroughs that made these subs astonishing also led to their demise. Join the guys as they dive (get it?) into the strange story of U-1206 and the high-tech toilet that led to its doom.