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The Best Episodes of Expedition Unknown Season 18

Every episode of Expedition Unknown Season 18 ranked from best to worst. Discover the Best Episodes of Expedition Unknown Season 18!

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 18 Episode 1 - Hunt for World War II Hellships
    0.0/10(0 votes)

    #1 - Hunt for World War II Hellships

    S18:E1

    Josh searches for lost Allied soldiers on the Hofuku Maru, a Japanese Hellship.

    Director:Unknown
    Writer:Unknown

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  2. Expedition Unknown Season 18 Episode 2 - Finding World War II's Lost Prisoners
    0.0/10(0 votes)

    #2 - Finding World War II's Lost Prisoners

    S18:E2

    A deep-water dive leads to the historic discovery of a lost WWII hell ship, where an estimated 1,000 soldiers made the ultimate sacrifice. Given rare access, Josh assists a U.S. Department of Defense mission, recovering potential remains of American POWs.

    Director:Unknown
    Writer:Unknown

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  3. Expedition Unknown Season 18 Episode 3 - Death Jars of Laos
    0.0/10(0 votes)

    #3 - Death Jars of Laos

    S18:E3

    Josh Gates treks into the remote jungles of Laos to investigate the mysterious Plain of Jars. Navigating landscapes still littered with unexploded ordnance, he uses advanced technology to uncover the secrets of this ancient, lost civilization.

    Director:Unknown
    Writer:Unknown

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  4. Expedition Unknown Season 18 Episode 4 - Sunken City of Pirates
    0.0/10(0 votes)

    #4 - Sunken City of Pirates

    S18:E4

    A first-of-its-kind sonar survey reveals a submerged pirate lair located off the coast of Jamaica. Using groundbreaking photogrammetry, Josh dives in to hunt for the $50M stolen treasure of Black Bart, the King of Pirates.

    Director:Unknown
    Writer:Unknown

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  5. Expedition Unknown Season 18 Episode 5 - Secrets of Mexico's Underworld
    0.0/10(0 votes)

    #5 - Secrets of Mexico's Underworld

    S18:E5

    Josh joins archeologists as they bushwhack through thick jungles and rappel into vast caves in search of the lost Zoque culture. Deep underground, the team pushes through flooded sections and finds thousands of ritual offerings that may solve the mystery.

    Director:Unknown
    Writer:Unknown

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Season 18 Ratings Summary

"Hunt for World War II Hellships" is the best rated episode of "Expedition Unknown" season 18. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 6/24/2026. This episode is rated 0.0 points higher than the second-best, "Finding World War II's Lost Prisoners".