While searching the spoils excavated from the Money Pit area, Alex Lagina discovers evidence of human activity deep underground, dating back to 1492.

Hot on the trail of the legendary Chappell Vault, the team gleans new information from the most notorious treasure hunting operation in the history of Oak Island.

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

Brothers Rick and Marty Lagina now own most of the mysterious Oak Island. Determined to resurrect the 200 year old search for treasure, they explore an abandoned shaft called 10-X. What they find gives them reason to believe that the stories of something buried on the island may very well be true.

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.

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.

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?

Digging deeper than ever before, the Laginas and their team find evidence of previously unknown structures in the Money Pit. While in the swamp, Gary strikes gold.

As the team meticulously uncovers the swamp’s stone roadway, they hit on the first signs that it could be heading toward the Money Pit.

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.

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.

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.

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.

It’s all hands on deck in the Money Pit as the team hits something in the DMT shaft that may prove to be the last thing standing between it and the answers below. Meanwhile, Gary Drayton strikes again when he zeros in on a find that could be a key piece of a missing treasure chest.

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.

When the team returns to the island they find evidence of an underground tunnel and structure.

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.

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.

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.

While the archaeologists work hard to uncover a new feature discovered on Lot 5, the scientists have finally identified the area where the gold is.

As the Fellowship prepares to get a team member underground in the Money Pit for the first time, a new theory emerges suggesting that Nolan's Cross holds the secret to its exact location.

The fellowship is stunned when evidence suggests that a dam lies buried at the end of the swamp, corroborating both Fred Nolan's theory, and Zena Halpern's Templar map.

The team is ecstatic when new scientific evidence narrows down the location of the gold signature in the Money Pit. And Rick realises a lifelong dream when he finally gets underground on Oak Island.

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.