The Black Pearl of O

Clark Kent investigates explorer Sidney Rycroft's disappearance and a baffling case involving a vanishing act and uncertainty over someone's true identity.

This The Adventures of Superman broadcast aired on January 20, 1941.

This surviving item is preserved as serial segment.

Juvenile superhero adventure serial based on the Superman comic-book character.

Listeners can expect adventure, childrens, and fantasy, serialized drama in format, and adventurous in tone.