Join National Graphic in this Drain the Oceans MEGA episode exploring wreckages from World War II battles around the world.

#National Geographic  #Nat Geo  #Drain the Oceans  #Discovery  #Explore  #ancient civilization  #science  #culture  #animal  #photograph  #Ocean  #Underwater exploration  #Ship Wreck  #World War II  #Battles  #Allied Forces  #Japan  #Germany  #Nazi  #Great Britain  #The Battle of Britain  #wreckage  #The Killer U-Boats  #Japan's Surprise Attack  #Pacific Ocean  #Atlantic Ocean  #U-Boats  #Submarine  #documentary  #investigation  #TV Show  #Full Episode  #Earth  #Global  #Docuseries  #World War 2  #WWII  #Hitler  #United States