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The Best Episodes of Expedition Unknown Season 15

Every episode of Expedition Unknown Season 15 ranked from best to worst. Discover the Best Episodes of Expedition Unknown Season 15!

Binge this in Unknown•Peaking at 8.1/10

The adventures of Josh Gates as he investigates unsolved iconic stories across the globe.

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Episode Rankings

  1. #1 Fan Favorite
    Expedition Unknown Season 15 Episode 1 - Hunt for Petra's Lost Tombs
    7.8/10(41 votes)

    #1 - Hunt for Petra's Lost Tombs

    S15:E1

    With unprecedented access, Josh digs in front of Petra's treasury; searching for clues to the mysterious civilization that created one of the new Seven Wonders of the World, Josh rappels a seven-story cliff face to perform a high-tech scan.

    Director:Unknown
    Writer:Unknown

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  2. Expedition Unknown Season 15 Episode 2 - Petra's Secrets Revealed
    7.7/10(41 votes)

    #2 - Petra's Secrets Revealed

    S15:E2

    Rewriting history, Josh helps discover a tomb at Petra's iconic Treasury; the twelve skeletons inside may belong to a royal family of Petra; state-of-the-art tech could finally decipher the charred fragments of ancient scrolls.

    Director:Unknown
    Writer:Unknown

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  3. Expedition Unknown Season 15 Episode 3 - Search for Pan Am's Clipper
    7.6/10(33 votes)

    #3 - Search for Pan Am's Clipper

    S15:E3

    Josh braves Puerto Rico's choppy seas to find a missing plane. The crash of Pan Am's Clipper Endeavor changed commercial aviation forever. Josh and the team fight violent storms in the Atlantic as they hunt for the plane 2,000 feet below.

    Director:Unknown
    Writer:Unknown

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  4. Expedition Unknown Season 15 Episode 4 - America's First Train Robbers
    8.1/10(30 votes)

    #4 - America's First Train Robbers

    S15:E4

    Josh tracks down the legend of an outlaw posse who terrorized the Midwest's railroads. The Reno Gang stole a fortune until a vigilante mob exacted violent justice. Josh tracks their lost loot to a cave hideout that could hold millions.

    Director:Unknown
    Writer:Unknown

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  5. Expedition Unknown Season 15 Episode 5 - Dive for America's Pirate Loot
    8.1/10(36 votes)

    #5 - Dive for America's Pirate Loot

    S15:E5

    Josh braves the shark-infested waters off Cape Cod to dive the world's only confirmed pirate wreck. Joining a high-tech recovery mission, Josh chases the multi-million-dollar treasure of Black Sam Bellamy, including coins, gold and jewels.

    Director:Unknown
    Writer:Unknown

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  6. Expedition Unknown Season 15 Episode 6 - 'Twas the Search for St. Nick
    7.9/10(28 votes)

    #6 - 'Twas the Search for St. Nick

    S15:E6

    In a search spanning continents, Josh chases the true history of St. Nicholas, the real-life saint who has become known as Santa Claus. Following clues from Turkey to Italy, Josh gathers DNA to try to identify the saint's missing remains.

    Director:Unknown
    Writer:Unknown

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Season 15 Ratings Summary

"Hunt for Petra's Lost Tombs" is the best rated episode of "Expedition Unknown" season 15. It scored 7.8/10 based on 41 votes. Directed by Unknown and written by Unknown, it aired on 10/9/2024. This episode is rated 0.1 points higher than the second-best, "Petra's Secrets Revealed".