A legendary UFO crash, a puzzling double homicide, a chilling supernatural investigation, perplexing cold cases, historic murders and unexplained creature sightings are reexamined by experts and witnesses in this new collection of mysteries.
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.
Body in the Basement
E2
Body in the BasementAmanda Antoni's husband finds her body in their basement with blood everywhere. The scene confounds police: Was it foul play — or a tragic accident?
The Severed Head
E3
The Severed HeadAfter a teen finds an embalmed head in the woods, investigators uncover a possible connection to a black-market organ trade as they try to ID the victim.
Murder, Center Stage
E4
Murder, Center StageSigrid 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.
The Mothman Revisited
E5
The Mothman RevisitedAmid eerie sightings of a tall, winged humanoid creature with red eyes, paranormal investigators explore the Mothman's seeming link to major disasters.
Park Bench Murders
E6
Park Bench MurdersTwo friends were shot dead at a busy park on a June day, but the killer escaped unseen. Grieving families are on a hunt for clues about the brazen crime.
My Paranormal Partner
E7
My Paranormal PartnerParanormal researcher Don has an odd co-worker: an entity named Becky. A parapsychologist observes Don and Becky at work and is stunned by his findings.
Mysterious Mutilations
E8
Mysterious MutilationsFor decades, a wave of cattle mutilations executed with near-surgical precision has plagued the US. Are extraterrestrials behind these gruesome acts?
The Roswell UFO Incident
E9
The Roswell UFO IncidentIn 1947, an unidentified flying object crashed near Roswell, NM. Was it a spy balloon or an alien encounter? UFO experts unravel the iconic mystery.
Season 3 Ratings & Reviews
Watch Season 3 Videos
Unsolved Mysteries: Season 3
Unsolved Mysteries: Season 3Trailer
Take Plex everywhere
Watch free anytime, anywhere, on almost any device.