Dakota Fred taps out Thunder Falls with his biggest gold haul.

The Dakota boys finish out their season with a record gold haul. Fred discovers a pocket of gold above Thunder Falls. Two miles away, Dustin battles a boulder field. Despite heavy rainfall and raging waters The Dakota Boys find their biggest nugget.

The Dakota Boys and their crew face down unprecedented challenges.

As gold prices spike to record highs and the cost of fuel plummets, Parker, Rick and Tony race to take advantage of the perfect conditions. But after the worldwide lockdown delayed the start of the season, there's less time than ever to cash in.

Parker expands to a second cut and puts his trust in a rookie foreman. Tony battles the cursed cut. Rick fires up his plant on rich ground. Greenhorn Fred Lewis calls in a mining legend.

Parker's strategy to build a war chest creates an engineering challenge.

Parker's crew works overtime to run both wash plants, in hope of a payoff.

Tony resurrects an abandoned secret weapon. Parker hires new crew members.

Competition erupts on Parker's teams, Tony finds lost gold and vets return.

Rick risks it all on a hunch and Tony mobilizes an arsenal to cash in.

Tony fires up another plant to haul in gold left behind by the old-timers.

Parker returns to Alaska to prospect new ground and expand his empire.

Parker lands his career's biggest haul and Tony resurrects a monster.

Parker brokers a deal with Tony to open a new cut on the Indian River.

Rick turns back to Monster Red with hopes of earning a record season.

Tony cleans up big, Fred's team begins to crack and Rick leaves his crew.