Watch Pearl Harbor: Waking The Sleeping Giant (2009) : Full Movie Online Free On the morning of December 7, 1941, aircraft and midget submarines of the Imperial Japanese Navy began a surprise attack on the U.S. Despite long standing assertions that this attack could have been predicted and prevented by the U.S. military, the U.S. forces at Pearl Harbor appeared to be utterly unprepared. This is the story of the attack that drew the U.S. into World War II. This exclusively licensed series contains a plethora of compelling images and film footage from before and after this historic battle.