One Step Beyond S1E17 · The Haunted U-Boat

One Step Beyond

Season 1 · Episode 17 · The Haunted U-Boat

While on patrol during WWII, a German U-boat attempts to evade detection from the sonar of the American and British ships. But their location is repeatedly betrayed by the noise of a rhythmic banging sound caused by someone . . . or something . . . on board the submarine.