Peril strikes during a daring dive as brothers Rick and Marty Lagina double down on their efforts to locate the original Money Pit with the most ambitious engineering operation in Oak Island history, while the fellowship of the dig is faced with a tragic loss of one of their own.

Evidence of a possible pirate presence on Oak Island mounts when a treasure chest from the 1700’s is revealed and the brothers Lagina get stunning news about a find from the Money Pit’s GAL-1 shaft.

New, hard evidence of a European presence on Oak Island more than a century before the discovery of the Money Pit exhilarates the team, until alarming news threatens to shut down the entire operation.

Danger strikes just as the geo-tech drilling team hits a possible void in the Money Pit; the discovery of a long-lost artifact leads to an emotional reunion for one of the surviving members of the legendary Restall family.

The discovery of an old document provides new clues on the exact location of the Money Pit; the fellowship of the dig makes a cryptic discovery at uncharted depths.

After years of searching and speculation, the Lagina’s and their team unearth evidence of what Marty believes proves the exact location of the ultimate target — The Money Pit.

A theory is presented that Sir Francis Drake is buried on Oak Island in a vault with gold treasure. It is suggested that the lack of any records documenting Drake traveling to Canada is proof that he must have traveled to Canada

New evidence confirms a European presence on Oak Island 100 years before the discovery of the Money Pit, while new research suggests a clear pathway from the Knights Templar to Oak Island.

A research expedition to a French castle and prison reveals new clues, including ancient carvings that strengthen a possible link between the Knights Templar and Oak Island.

The team unearths a ship’s log detailing the burial of treasure on an island eerily similar to Oak Island, and Rick and Gary make what may prove to be the biggest find on Oak Island, ever.

Further investigation suggests a link between the mysterious medieval cross and the Knights Templar.

A skeleton key and maps from Fred Nolan's archives open a new door in the Lagina's quest, while new evidence suggests a Templar connection to the lead cross found in Smith's Cove.

The plot thickens around the discovery of the lead cross as a new theory points to possible ancient origins, while Rick pulls an artifact from the swamp that may support one of Fred Nolan’s theories.

The discovery of the mysterious lead cross raised new questions about a Knights Templar connection. Tonight, we take a look at Templar history and the compelling Templar clues the team has found so far.

With little time before the team must suspend operations for the harsh winter ahead, the fellowship battles the shifting tides of Smith's Cove and finds evidence that may support one of Dan Blankenship's early theories.

The Oak Island mystery has lured generations of treasure hunters. In this one-hour special, we revisit the families that have been a part of Oak Island’s history for more than two centuries.

It’s the season finale and the moment of truth for the fellowship of the dig, as the guys are faced with the burning question: quit or continue?

Rick, Marty and the team return to Oak Island follow up on last year's amazing discoveries, and double down on their efforts to locate the elusive Oak Island Money Pit.

Brothers Rick and Marty Lagina begin the biggest and most expensive operation ever undertaken in the 223 year long treasure hunt. And after years of searching, the brotherhood finally strikes gold.

The seismic results are in, revealing the existence of a mysterious underground chamber, while 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, and Rick is faced with a tragic loss.

Seismic results guide the team to a possible network of tunnels in the Money Pit, while Gary unearths the first evidence of a French presence that could rewrite the history of the Oak Island mystery.

New insights on Nolan Cross suggest a Templar connection to the Money Pit, while emerging evidence convinces the team the discovery of the lead cross may be the most historic find in North America.

After years of searching, the team may have located a previously discovered artifact that has been missing for more than a century. In Smith’s Cove, the Laginas struggle to hold back the waters.

After months of tireless effort, Rick, Marty and the team begin the massive excavation at Smith's Cove and almost immediately strike gold.