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 • 5:17 PM UTC • 1h 6m

Unsolved Mysteries With Robert Stack

S1, EP15 "Episode 15"

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

Unsolved Mysteries • 6:23 PM UTC • 29m

Unsolved Mysteries With Robert Stack

S1, EP23 "Episode 23"

Motorcycle Mom & UD; Update: Ready Teller Robbery; White Bird; Strychnine Death; Missing Mariners.

Unsolved Mysteries • 6:52 PM UTC • 1h 33m

Unsolved Mysteries With Robert Stack

S1, EP4 "Episode 4"

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

Unsolved Mysteries • 8:25 PM UTC • 1h

Unsolved Mysteries With Robert Stack

S1, EP9 "Episode 9"

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

Unsolved Mysteries • 9:25 PM UTC • 58m

Unsolved Mysteries With Robert Stack

S4, EP23 "Episode: 23"

World leaders; Marie Hilley; experts; "Walker and Women in the Bay."

Unsolved Mysteries • 10:23 PM UTC • 54m

Unsolved Mysteries With Robert Stack

S4, EP18 "Episode: 18"

UFO odyssey; reporter's trucker; haunted mansion.

Unsolved Mysteries • 11:17 PM UTC • 51m

Unsolved Mysteries With Robert Stack

S4, EP11 "Episode: 11"

Best friends; Marine captain murder; Florida fires; Stamper's rampage and Mucho Oro.

Unsolved Mysteries • Mar 14, 2025 • 3h 22m

Unsolved Mysteries With Robert Stack

S3, EP12 "Episode: 12"

Voodoo victims; skeleton canyon; North Carolina nightmare; England heir.

Unsolved Mysteries • Aired Mar 10, 2025 • 59m

Unsolved Mysteries With Robert Stack

S4, EP13 "Episode: 13"

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

Unsolved Mysteries • Aired Mar 10, 2025 • 55m

Unsolved Mysteries With Robert Stack

S3, EP8 "Episode: 8"

Update on "Where's Kari?;" Amelia Earhart; Richard's rampage; "Miami Vice."

Unsolved Mysteries • Aired Mar 10, 2025 • 57m

Unsolved Mysteries With Robert Stack

S4, EP10 "Episode: 10"

Belgian UFO; "UD: I.D. Swap"; Brenda's Fire and Philip Breen and UD.

Unsolved Mysteries • Aired Mar 10, 2025 • 54m

Unsolved Mysteries With Robert Stack

S3, EP11 "Episode: 11"

Pix of the Dead; Johnny Lee Wilson (Pts. 1 & 2 + UD); Totally Exhausted.

Unsolved Mysteries • Aired Mar 10, 2025 • 58m

Unsolved Mysteries With Robert Stack

S2, EP9 "Episode 9"

Death of boxer Sonny Liston; 19-year-old girl's kidnapping; California woman searches for her foster parents.

Unsolved Mysteries • Aired Mar 10, 2025 • 55m

Unsolved Mysteries With Robert Stack

S2, EP2 "Episode 2"

Bizarre murder of a Michigan real estate agent; a blinking statue of Christ; Washington policeman reopens a 54-year-old murder case.

Unsolved Mysteries • Aired Mar 10, 2025 • 1h 4m

Unsolved Mysteries With Robert Stack

S2, EP17 "Episode 17"

"Thanks Captain Sharp;" Harold and Ma; over the edge; Ogo Pogo.

Unsolved Mysteries • Aired Mar 11, 2025 • 57m

Unsolved Mysteries With Robert Stack

S1, EP22 "Episode 22"

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

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