NOVA: Killer Subs in Pearl Harbor

Plunge beneath the waters of Pearl Harbor with NOVA on a journey to investigate the sinking of the USS Arizona. After decades of believing the Arizona was sunk by Japanese bombers, researches now speculate that Japanese midget subs could be to blame for the tragedy. In that incident alone, over 1,000 servicemen perished. By exploring the ocean floor, investigators uncover the wreckage of a two-man Japanese submarine they believe may have fired that fateful torpedo. Additional aerial photos and interviews with U.S. and Japanese veterans offer an intensely personal take on the event that plunged the U.S. directly into the fray of World War II.