Season 4
15 episodes
46 min. per episode
Where to watch
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Two brothers risk everything to unravel Oak Island's secrets, battling history, danger, and their own obsession for treasure.
Episodes
Rick and Marty Lagina return to Oak Island to prepare for a major excavation of the Money Pit.
Rick and Marty Lagina investigate a mysterious "Hatch" which may be a secret entrance to an underground treasure tunnel on Oak Island.
The Lagina brothers find evidence of what could turn out to be an ancient shipwreck in the Oak Island swamp.
Rick and Marty Lagina begin their search for a centuries-old treasure vault in the Oak Island Money Pit.
Rick and Marty Lagina believe they have finally located an ancient treasure vault in the Oak Island Money Pit.
Rick and Marty Lagina, two brothers from Michigan with a life-long interest in the mystery of Oak Island, renew efforts to discover the legendary treasure with sophisticated machinery.