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Watch Expedition Unknown Season 4 Episode 4 Online

  • 7.896/10
  • COUNTRIES: United States of America
  • Subtitles: English

Josh travels across the United States to find the treasures featured in the cryptic 1982 book "The Secret"; Josh meets with members of the book's cult following, who each think they are on the verge of locating one of the 10 remaining treasures.