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Could this be a cannonball? - The Curse Of Oak Island

Michael John and Steve Guptill inspecting a small spherical object

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3:15

While sifting through the spoils from borehole E5.25, Michael John and Steve Guptill make some new discoveries. Rick, Marty and the Oak Island team are back for the biggest season yet – bringing with them more resources and technology than ever in their quest to solve the 224-year-old treasure mystery.