The Ghost of U-513

S2, E3: The pride of the wolfpacks, German sub U-513, became a tomb for all but seven of her crew after being bombed by a U.S. patrol plane in 1943. The U-boat then vanished off the South American coast, where it was lost for more than 68 years. Now, witness the ghost ship's story through rare archival footage and interviews with U-boat vets, and follow the Brazilian entrepreneur who set out to uncover her buried secrets.