One Step Beyond

Season 1, Episode 17

Episode Title: The Haunted U-Boat

Air Date: 1959-05-12

Overview:

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.