S4E1

Unsolved Mysteries: Volume 4: “Who Was Jack the Ripper?”

London, 1888. The city is gripped by a string of murders, each more gruesome than the last. Experts delve into one of history's most notorious mysteries.

Duration: 45 minutes

S4E2

Unsolved Mysteries: Volume 4: “Body in the Basement”

Amanda Antoni's husband finds her body in their basement with blood everywhere. The scene confounds police: Was it foul play - or tragic accident?

Duration: 51 minutes

S4E3

Unsolved Mysteries: Volume 4: “The Severed Head”

After a teen finds an embalmed head in the woods, investigators try to uncover a possible connection to a black-market organ trade as they try to ID the victim.

Duration: 48 minutes

S4E4

Unsolved Mysteries: Volume 4: “Murder, Center Stage”

Sigrid Stevenson's chilling murder on the stage of a locked campus theater still haunts a New Jersey college as new theories about her killer emerge.

Duration: 47 minutes

S4E5

Unsolved Mysteries: Volume 4: “The Mothman Revisited”

Amid eerie sightings of a tall, winged humanoid creature with red eyes, paranormal investigators explore Mothman's seeming link to major disasters.

Duration: 40 minutes