The Curse of Oak Island: Digging Deeper säsong 6

Rick and Marty double down on their efforts to locate the elusive Money Pit.

Rick and Marty begin their biggest and most expensive operation to date.

While the team is taken aback by a 175-foot chamber in the Money Pit, Gary and Jack make a discovery suggesting another Templar connection.

Further investigation suggests Gary's latest find may be the oldest discovery on the island to date.

Rick and Marty Lagina find evidence of a tunnel connected to the original Money Pit.

The Oak Island mystery deepens as Rick and Marty get test results on the lead cross.

After a find connected to the original Money Pit, Rick and Marty Lagina uncover a legendary structure.

New evidence uncovered at Smith's Cove brings the fellowship closer to deciphering the purpose of the mysterious U-shaped structure, and a previously undiscovered formation may lead to the island's legendary flood tunnels.

Rick and Marty make a discovery at Smith's Cove that could solve the Money Pit mystery.

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

A stunning structure uncovered in Smith's Cove perplexes the brotherhood like never before. At the Money Pit, the team thinks they may have discovered the legendary box believed to contain the Oak Island treasure - the elusive Chapple vault.

Rick and Marty Lagina find data that shows that large, metal objects are buried beneath Smith's Cove. They go on to make a surprising discovery.

As Rick and Marty Lagina excavate Smith's Cove, the search for the 90-foot stone leads to a discovery.

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

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

New data provides stunning proof that structures uncovered in Smith's Cove were built prior to the discovery of the Money Pit.

The team find groundbreaking new evidence at Smith's Cove that connects the Oak Island mystery to the American Revolution.