The Curse of Oak Island: Digging Deeper säsong 3

Rick and Marty Lagina find that not only does borehole 10-X contain even more secrets than previously thought, but a new technology could prove that there are numerous treasure sites lying all over the island.

Rick and Marty start to clear dangerous obstructions from 10-X; Craig Tester and Jack Begley conduct a drilling operation to locate a possible golden treasure cache.

Additional material and unseen footage from the series "The Curse of Oak Island."

After locating the original Money Pit, Rick and Marty look at an ancient stone carving that may help prove that Portuguese explorers with connections to the Knights Templar are behind the Oak Island mystery.

Rick and Marty Lagina arrange to send an ROV camera down the 10-X shaft, which uncovers evidence that could threaten their entire operation.

Additional material and unseen footage from the series "The Curse of Oak Island."

Rick and Marty Lagina make an interesting discovery after forging a truce with Dan Blankenship's longtime rival, Fred Nola.

Rick, Marty and their team make an amazing discovery in the waters surrounding Oak Island.

Rick and Marty meet a researcher who links Christopher Columbus to the Oak Island mystery.

Rick, Marty and their partners receive a mysterious sword that could connect the Roman Empire to the Oak Island treasure hunt.

Additional material and unseen footage from the series "The Curse of Oak Island."

Rick and Marty find a mysterious 20-foot high void deep inside the Money Pit just before diver John Chatterton successfully reaches the bottom of borehole 10-X.

Rick and Marty finally get answers from the bottom of borehole 10-X just before making an amazing discovery deep inside the Money Pit.