Rick makes a disastrous mistake that shuts down his claim; Parker threatens a long time member of the crew with demotion; and Tony resurrects an ancient wash plant in an attempt to get back in the game.

Parker tasks Brennan to move wash plant Big Red in just 24 hours. One of Rick's crew gets a deadly illness. Wedding bells ring, as Monica Beets gets married. Moving massive boulders with new equipment may mean the Dakota Boys are finally on the gold.

Parker crashes a jet boat resulting in a terrible injury; Frozen ground and machinery breakdowns threaten Rick's season; and it's all hands on deck as Tony and family finally start to rebuild his million-dollar second dredge.

Parker closes in on his $7.2-million target, but Big Red, the wash plant, is running out of pay dirt; after weeks of plummeting gold totals, Rick runs every day to stand any chance of reaching his goal; and Tony makes a desperate play.

Parker closes in on his $7.2-million target, but Big Red, the wash plant, is running out of pay dirt; after weeks of plummeting gold totals, Rick runs every day to stand any chance of reaching his goal; and Tony makes a desperate play.

Parker's coming-of-age, from a boy who learns from his beloved grandpa to the man who becomes a major player in the Klondike, is chronicled over six years.

Parker crashes a jet boat resulting in a terrible injury; Frozen ground and machinery breakdowns threaten Rick's season; and it's all hands on deck as Tony and family finally start to rebuild his million-dollar second dredge.

Tony and his family attempt a dangerous crane operation; Rick fights frozen ground to keep his season alive; and Parker pushes the wash plant, Sluicifer, beyond the limit.

Tony travels to the Netherlands and discusses his past.