Beyond Oak Island

Rick and Marty are intrigued with a young treasure hunter's search for the long-lost treasure of pirate Jean Lafitte, so they send Matty Blake to assist in a dangerous dive to further the search.

Oak Island metal detection expert, Gary Drayton joins a relative of Butch Cassidy on a treasure hunt within the legendary robber's roost, and while there, Gary unearths a piece of outlaw treasure history.

After personally investing in a treasure hunt off the coast of Florida, Marty Lagina and Craig Tester are thrilled when their search uncovers rare and historical artifacts; the duo must come to terms with the complicated world of treasure ownership.

The Laginas learn that while on a trip to Arizona, Gary Drayton may have gotten to the bottom of one of the biggest treasure mysteries of all time, one that has resulted in countless deaths and disappearances for those obsessed with finding it.

Rick and Marty's good friend and world-class wreck diver John Chatterton heads south to search for a never-recovered Spanish ship off the coast of Florida; Gary Drayton shares with the brothers his most compelling and valuable find.

Things get dicey when the Laginas deploy Matty Blake to the Wild West, where he assists in a dangerous investigation with a local treasure hunter.

Marty's childhood dreams are realized when he's invited to join the search for a lost treasure off the coast of an abandoned, and dangerous, island in Lake Michigan.

Marty's interest is piqued when a fellow energy entrepreneur shares evidence that suggests his Utah ranch has been the Aztec hiding place of Montezuma's treasure for centuries.