America's greatest unsolved mysteries are explored through interviews, archival footage and re-creations. Recently unearthed evidence and intriguing, new theories bring each case closer than ever to finally being solved.
The Disappeared
Season 1 • Episode 1
Cover-Ups
Season 1 • Episode 2
Paranormal Destinations
Season 1 • Episode 3
Triangles
Season 1 • Episode 4
Unidentified
Season 1 • Episode 5
Close Encounters
Season 1 • Episode 6
Strange Crime
Season 1 • Episode 7
Mass UFO Sightings
Season 1 • Episode 8
Hidden Treasures
Season 1 • Episode 9
Gone Missing
Season 1 • Episode 10
