German naval officer Karl Ehrlich loves his country and hates Hitler. As World War II erupts, Ehrlich defies orders and takes his freighter on a fox-and-hound pursuit from the Germans and the British.

Hitler's lost sub: America had just entered World War II, but terrifying unseen weapons were stalking US targets, sinking over 400 ships just miles from American shores in the worst naval defeat in United States History. Hitler's sunken secret: One of the most daring resistance operations of World War II was the 1944 sinking of the Norwegian ferry Hydro, with its cargo of "heavy water" destined for the Nazi's secret atomic bomb project.

Follows the daring patrol of the U-96, one of the famed German U-boats known as the "gray wolves." The crew is graphically portrayed in a life-and-death struggle, challenging the British Navy at every turn.

The Bismarck was the fabled German battleship of World War II. Traces the "life" of the Bismarck from its launching (courtesy of newsreel footage) through its many battles and narrow escapes, concluding with its far-from-inevitable sinking in the Spring of 1941. The story concentrates on the human element, specifically a British intelligence captain, who has lost his family in the London blitz and thus has a personal reason for seeing the Bismarck...

The original full-length episodes of the award-winning series made exclusively for television and containing actual live action footage. The videos introduce the campaigns and action of World War II, concentrating on battles and action at sea.

The story of Korean history's most astonishing military victory by its greatly revered strategist, Admiral Yi Sunshin, who lures over 300 Japanese ships into a deadly trap where they meet their fate against only thirteen battle ships.

In September 1942 at the height of the battle for the Atlantic, a German U-boat torpedoed the RMS Laconia, sinking the British ship without knowing that it carried more than 2,000 passengers, many of them civilians. What followed is a harrowing true story of heroism, heartbreak, and unexpected humanity in the midst of the bloodiest conflict in history.

The French still call it "our Pearl Harbor", the tragic destruction of the French navy in 1940, by the British, to prevent it from falling into German hands. This video looks at Churchill's decision to sink the French fleet, and with it, the lives of 1,300 French sailors.

Merging the stealth and tactical advantages of sea and sky, the I-401 aircraft carrier submarine carried three specially designed Seiran attack bombers. The vessel had the potential to change the course of the war in the Pacific. Japanese SuperSub, investigates Japan's efforts to take submarine technology where it had never gone before, and reveals how close the Japanese came to using the sub for an attack on the U.S.

On May 7, 1915, the passenger ship Lusitania was en route to England from New York City when a torpedo from a German U-boat sent the luxury liner and more than 1,000 passengers to an icy grave. The sinking of this great ocean liner shocked the world and "Avenge the Lusitania!" was the rallying cry that lured many young American men to enlist during World War I. In this dramatic special, Discovery Channel brings you the story of the doomed ship and,...