

Hell Below
Season 4
TV-PG
WW2 Hell Under the Sea is an event-based series charting the stealth game of subsea warfare from contact to attack of the greatest submarine patrols of World War II. From the rise of the Wolfpack to the drive for victory in the Pacific, meet the masterminds who bring together the strategy, technology and tactics to make every sailor’s worst nightmare to come to life.
Where to Watch Season 4
6 Episodes
- Fight for the FjordsE1
Fight for the FjordsApril 1940. When Hitler dispatches the U-Boat arm to protect troops invading Norway, a German submarine rushes towards the deep fjords leading to Narvik, the scene of two major deadly naval battles. While multiple encounters with British Royal Navy ships provide numerous targets, including the battleship HMS Warpsite, torpedo failures threaten their mission. - SubversionE2
SubversionThe career of a bright, young U-Boat officer begins with promise when he is awarded command of his own submarine. But during their first two war patrols, clashes with the Executive Officer and Chief Engineer over Nazi ideology cause tension and outright conflict. The officers' complaints lead to Commander's court martial and the threat of execution. - The HuntedE3
The HuntedA German U-Boat, desperately low on supplies and with the crew suffering from scurvy, must be re-fueled from a supply submarine to make it back to port. With Allied Hunter Killer groups tracking their every move, the U-Boat makes a desperate run for survival. When a destroyer closes in to ram, the enemy crew uses the opportunity to board and attack the American ship. - Edge of SurvivalE4
Edge of SurvivalWhen a bomb attack by a Japanese float plane forces an American submarine into an uncontrolled dive and starts a deadly chemical fire, the diving officer and lead electrician must overcome impossible odds or all hands will be lost. While some of the crew battles to regain control of the sub, others fight the toxic fire which threatens their limited air supply. - Chaos in CommandE5
Chaos in CommandOctober 1943. After their first war patrol ends in conflict and disappointment, a new submarine Commander must overcome dissent despite his unconventional choices for key roles. Under his leadership, the crew works together to build trust even as they travel to target enemy shipping in dangerous Japanese home waters. - The InterceptorE6
The InterceptorIn February 1945, an American submarine Commander receives an order to hunt Japanese submarines assigned to secretly evacuating VIPs from the Philippines. Their job to send fellow submariners to the ocean floor sparks a battle of tactics, stealth and risk that would set a record for the U.S. Navy in World War II.