Put on your trench coat and join Robert Stack in a never-ending marathon of UNSOLVED MYSTERIES. This series covers crimes, tales of lost love, unexplained history and paranormal events.

Unsolved Mysteries • 3:23 AM UTC • 4h 14m

Unsolved Mysteries With Robert Stack

S6, EP22 "Episode: 22"

The Boston Strangler, Parts one and two, UD, Secret Hiding Place and UD and Wrong Place, Wrong Time.

Unsolved Mysteries • 7:37 AM UTC • 3m

Unsolved Mysteries With Robert Stack

S7, EP17 "Episode: 17"

An exploration of Bigfoot II, threats and harassment, murder by arson, and more.

Unsolved Mysteries • 7:40 AM UTC • 2h 50m

Unsolved Mysteries With Robert Stack

S9, EP9 "Episode: 9"

An exploration of Bigfoot II, threats and harassment, murder by arson, and more.

Unsolved Mysteries • 10:30 AM UTC • 58m

Unsolved Mysteries With Robert Stack

S8, EP11 "Unsolved Mysteries With Robert Stack"

Direct contact; Green River killer; foster son; murder in Connecticut.

Unsolved Mysteries • 11:28 AM UTC • 58m

Unsolved Mysteries

S11, EP13 "Episode 13"

This episode includes: Skull Duggery, Deadly RX & UD, Children of Heaven and Not Home for the Holidays & UD.

Unsolved Mysteries • 12:26 PM UTC • 55m

Unsolved Mysteries With Robert Stack

S8, EP20 "Episode 20"

Mummy's curse; cabbie bomber; terrorized teen; Amtrak sabotage.

Unsolved Mysteries • 1:21 PM UTC • 57m

Unsolved Mysteries With Robert Stack

S9, EP4 "Episode: 4"

Sleepwalking; murder in the park; KC blast; parallel lives; missing Susan.

Unsolved Mysteries • 2:18 PM UTC • 53m

Unsolved Mysteries With Robert Stack

S11, EP4 "Episode 4"

Twisted Sisters & UD; Mad Maggio & UD; ATM Mystery & UD and Five Separated Siblings & UD.

Unsolved Mysteries • Aired Dec 31, 2024 • 54m

Unsolved Mysteries With Robert Stack

S6, EP4 "Episode: 4"

An exploration of Bigfoot II, threats and harassment, murder by arson, and more.

Unsolved Mysteries • Aired Dec 31, 2024 • 58m

Unsolved Mysteries With Robert Stack

S7, EP2 "Episode: 2"

Ghostbusters; "Roubas: Dead or Alive?;" Elysian park treasure; soldier Alexander; jail family.

Unsolved Mysteries • Aired Dec 31, 2024 • 1h 55m

Unsolved Mysteries With Robert Stack

S5, EP22 "Episode: 22"

Image of Guadalupe; Stahl's paintings; lost generation; biker and the vet; donut murder.

Unsolved Mysteries • Aired Dec 31, 2024 • 58m

Unsolved Mysteries With Robert Stack

S6, EP14 "Episode: 14"

Mystery mummy; Mississippi hangings; killer boyfriend; Baby Girl X; Jeanne Boylan.

Unsolved Mysteries • Aired Dec 31, 2024 • 56m

Unsolved Mysteries With Robert Stack

S6, EP7 "Episode: 7"

Fatima; log cabin fraud; "If the Truth Be Known;" "Missing Cheek."

Unsolved Mysteries • Aired Dec 31, 2024 • 58m

Unsolved Mysteries With Robert Stack

S7, EP7 "Episode: 7"

Silent witness; Mary Celeste; hoochie coochie; sunshine guys.

Unsolved Mysteries • Aired Dec 31, 2024 • 56m

Unsolved Mysteries With Robert Stack

S7, EP14 "Episode: 14"

An exploration of Bigfoot II, threats and harassment, murder by arson, and more.

Unsolved Mysteries • Aired Dec 31, 2024 • 58m

Unsolved Mysteries With Robert Stack

S7, EP11 "Episode: 11"

An exploration of Bigfoot II, threats and harassment, murder by arson, and more.

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