Rick and Marty Lagina, along with Matty Blake, head to Florida and join Gary Drayton to hunt for millions in gold, silver and jewels from the shipwrecks of the famed 1715 Spanish treasure fleet.

Marty Lagina and Matty Blake travel to Kansas City. Missouri, to assist river-boat enthusiast David Hawley as he searches for two 19th century wrecks loaded with lost riches and American history.

The Laginas and Matty Blake help treasure hunters Donna McCauley and Gypsy Jewels search two hideouts in Mineral Springs, Texas where the legendary outlaw Sam Bass is believed to have stashed more than a million dollars in stolen gold.

Matty Blake heads back to Florida's famed Treasure Coast, to team up with professional treasure salvager John Brandon and his team as they dive on the wrecks of the famed 1715 Spanish treasure fleet.

The Laginas and Matty Blake offer their help to a team of treasure hunters in Utah, as they search deep underground for billions in gold at a site believed to be the legendary Lost Josephine Mine.

On the season finale, The Laginas head to Texas with Matty Blake to help treasure hunter Hoppy Eubanks and his team search for the legendary lost San Saba Mine and over a billion dollars in silver.