Matty Blake treks to Oak Island to take a look at the team's latest and most epic operation yet, as well as get new insight from brothers Rick and Marty Lagina on the many highlights from the first five years of their quest.

The lead cross and the red gemstones are only the latest artifacts discovered in the 223-year-old treasure hunt. This special takes viewers back to the very beginning of the hunt, chronicling the discoveries of generations of searchers.

If there's a curse on Oak Island, where does it come from? Some believe that there's a power at play that's fighting against the discovery of the Oak Island treasure. Others believe that dislodging the 90 ft stone unleashed the curse. Nobody knows what's buried on Oak Island but everyone wonders if retrieving it might come with consequences.