Seasons & episodes
S1 · E2The Mystery of Smith's Cove 2014-01-12 · 43 min
When the team discovers something very unusual at Smith's Cove, Rick and Marty Lagina believe they've made a huge breakthrough in unlocking Oak Island's secrets.
S1 · E3Outdoors: Voices from the Grave 2014-01-19 · 43 min
As Rick and Marty Lagina begin work to drain a mysterious swamp, they are visited by a woman who lost her father and brother to a tragic accident on Oak Island that gave rise to rumors of a deadly curse.
S1 · E4The Secret of Solomon's Temple 2014-01-26 · 43 min
A visitor to the island presents Rick and Marty Lagina with his incredible theory about where the treasure on Oak Island is located.
S1 · E5The Find 2014-02-09 · 43 min
Rick and Marty Lagina make one of the biggest discoveries in the 200-year old search for treasure on Oak Island.
S2 · E1Once In, Forever In 2014-11-04 · 43 min
After dating the Spanish coin they found last summer to 1652, brothers Rick and Marty Lagina return to Oak Island and the strange triangle-shaped swamp to look for more clues to this 200-year-old mystery.
S2 · E2Return to the Money Pit 2014-11-11 · 43 min
As Rick and Marty Lagina begin excavating the infamous Money Pit, a visitor shows them evidence that the treasures from King Solomon's Temple could be buried on Oak Island.
S2 · E3The Eight-Pointed Star 2014-11-18 · 43 min
After hearing that a treasure of biblical proportions was buried on Oak Island 2500 years ago, Rick and Marty Lagina look for evidence to prove it while also trying to locate the original Money Pit.
S2 · E4The Breakthrough 2014-11-25 · 43 min
Rick, Marty and the Oak Island team make a potentially historic discovery in the Money Pit.
S2 · E5The 90-Foot Stone 2014-12-02 · 43 min
A visitor comes to the island and implies that he has found a secret way of getting to the treasure.
S2 · E6Seven Must Dye 2014-12-09 · 43 min
While Rick conducts a test that may help the team locate man-made flood tunnels on the island, Marty heads to Europe to track down an incredible lead.
S2 · E7The Trail of the Templars 2014-12-16 · 43 min
While work begins in the swamp, Rick and Marty travel to Scotland to investigate an incredible theory about the construction of the Money Pit.
S2 · E8X Marks the Spot 2014-12-23 · 43 min
Rick and Marty examine the swamp for an alternate entrance into the Money Pit.
S2 · E9A Dangerous Dive 2015-01-06 · 43 min
Rick and Marty bring a team of divers to Oak Island to explore the legendary treasure shaft, 10-X.
S2 · E10The Big Reveal 2015-01-13 · 43 min
The Lagina brothers and their partners make a huge discovery at the bottom of 10-X.
S3 · E1The Hole Truth 2015-11-10 · 43 min
As Rick and Marty Lagina return to Oak Island, they discover 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.
S3 · E2Pipe Down 2015-11-17 · 43 min
While Rick and Marty Lagina begin clearing dangerous obstructions from 10-X, Craig Tester and Jack Begley conduct a drilling operation to locate a possible golden treasure cache.
S3 · E3Outdoors: Time to Dig 2015-11-24 · 43 min
Rick and Marty Lagina bring heavy digging equipment to the island and their first target is where a researcher claims the treasures of the Knights Templar lie buried.
S3 · E4The Overton Stone 2015-12-01 · 43 min
After locating the original money pit, Rick and Marty Lagina examine an ancient stone carving that may help prove that Portuguese explorers with connections to the Knights Templar are behind the Oak Island mystery.
S3 · E5Disappearing Act 2015-12-08 · 43 min
While prepping for a diver to explore the bottom of 10-X, Rick and Marty Lagina arrange to send an ROV camera down the shaft, which reveals evidence that could threaten their entire operation.
S3 · E6Carved in Stone 2015-12-15 · 43 min
As Rick and Marty Lagina and their partners try to piece together the clues carved in various stones on the island, they meet with a theorist who believes that the Aztec Empire was behind the 220 year Oak Island mystery.
S3 · E7The Missing Peace 2015-12-22 · 43 min
Rick and Marty Lagina make an exciting discovery after forging a truce with Dan Blankenship's longtime rival, Fred Nola.
S3 · E8Phantoms of the Deep 2015-12-29 · 43 min
Rick and Marty Lagina along with their team make an incredible discovery in the waters surrounding Oak Island.
S3 · E9Columbus Day 2016-01-05 · 43 min
Rick and Marty Lagina meet a researcher who connects Christopher Columbus to the Oak Island mystery.
S3 · E10Silence in the Dark 2016-01-12 · 43 min
Rick, Marty and their partners obtain a mysterious sword that could connect the Roman Empire to the Oak Island treasure hunt.