Bubba Wallace and his pit crew muscle through a day of training at their home base in North Carolina.

IMSA veteran, Katherine Legge and her pit crew fine tune their plans for the race while testing at Sebring.

In the pit with Indy 500 winner, Alex Rossi, and his pit crew on race day.

Bubba Wallace shows off his Camaro #43.

From bumpers to brakes, Katherine Legge shows us her Acura NSX.

Get technical with Alex Rossi's right-hand man: his engineer.

In Nome, Alaska, the gold rush is on. Meet the dredgers, driven by gold fever and sometimes desperate need, who pilot their ragtag dredges and dive with hoses to suck up gold from the bottom of the frigid, unpredictable Bering Sea.

A bar brawl threatens not only Shawn's health but the Christine Rose's future. The Wild Ranger's luck is getting worse as they're down a man and have sprung a leak. The Sluicey's Ian calls in a friend who offers both experience and criticism.

The weather may be perfect, but storms are brewing onboard the dredges as egos clash and tempers flare. Emily's first dive is almost her last when she learns the dangers of dredging first-hand.

The season is halfway over, and tensions are running high as the dredgers search for new sweet spots. An accident with the 15 ton excavator threatens to end one deckhand's season.

A season of simmering grievances comes to a boil. Vern fires one of his crew. Emily falling overboard & a blocked sluice box test Zeke's patience. Rocks falling out of a faulty sluice box rain down on solo-diving Scott Foster's head.

Bad luck & bad vibes. The crews have a car accident on the way home from some hot springs R&R. A hastily welded winch roller gives way, releasing a cable that lashes Cody's leg, sending him overboard. Scott dives with an injured leg.

The dredging season is quickly coming to an end, & so are once trusted relationships between Zeke and Emily as well as Scott F and Ian. Shawn sends crewmember Robbi packing while Scott M swallows his pride and invites Steve back. But will he accept?

Winter sets in. The now short-staffed crews try to go out once more before the ice blocks them in. Each on their own, Emily salvages & Scott M finds salvation. The crews take their earnings and face off at an auction for next year's dredging grounds.

The BERING SEA GOLD crews gather & sound off about life in Nome during and after the show. Wild Ranger Scott & Vern’s reunion is explosive. Emily and Zeke answer about the exact nature of their relationship. Meet the mysterious white-bearded dredger.