“Hell Below” is a series focused on the intense and covert world of underwater warfare, detailing the gripping stories of the most significant submarine missions during World War II. It explores the emergence of the Wolfpack strategy and the relentless pursuit of triumph in the Pacific, highlighting the brilliant strategists and the swift advancements in technology and tactics that turned the fear of submarine warfare into a terrifying reality for sailors. The series combines expert insights and archival footage with narrative-driven reenactments, filmed on genuine World War II submarines, to immerse viewers in the heart of the action.