Explore the universal drama of war: why leaders and soldiers pick up arms to fight, the technologies that have determined outcomes, the tragedies and triumphs of history’s great battles.

History & Warfare

A US sub shows unbelievable courage in the face of impossible odds. A look into how a bomb dropped by the Japanese forces pushes the craft into a deadly dive, and ignites a toxic chemical fire that leaves the crew fighting for their lives.

Hell Below

Edge of Survival

Retracing the steps of a German U-boat that's willing to do anything to replace its dwindling fuel and food stores, and get back to port; examining how the crew, plagued by scurvy, turns the tables on the US submarines that try to ram their ship.

The Hunted

Learning why a clash over Nazi ideology wrecked a bright U-boat commander's career.

Courageous Captains

Navigating the narrow, deep fjords that lead to Narvik, Norway, where German and British forces faced off in April 1940; repeated torpedo failures threatened to sink the mission and leave Hitler's invading troops exposed and vulnerable.

Life and Death Decision

Stories of some of the greatest and deadliest submarine patrols of World War II.

S4 E1 | Life and Death Decision

E4 | Edge of Survival

E3 | The Hunted

E2 | Courageous Captains

E1 | Life and Death Decision