Hell Below (2016)

Episode Overview

Title: Deadly Assault Plot: A German U-boat captain executes a startling offensive against the core of the Royal Navy, catching them off guard. As tensions rise, the crew grapples with the implications of their actions, leading to a dramatic confrontation on the high seas. With the fate of a nation hanging in the balance, the U-boat faces unforeseen challenges as they navigate the treacherous waters of warfare and strategy.