Dustin takes a gamble to return to a spot just above McKinley Falls for the remainder of the season, but while moving his dredge down the side a cliff, giant falling rocks threaten his life.

A late start to the season shortens their mining window and with record snowfall melt the crew faces the most dangerous conditions ever. Dustin picks up right where he left off at Rockfall Ravine, while Fred's future diving for gold lies in the balance.

The Dakota Boys race against time and put their new crew members to the test to rebuild their mine sites and haul heavy equipment to the Trifecta and Rockfall Ravine. Their first dive is golden and promises a successful season.

Carlos, Dustin and James battle the fastest and most violent rapids they've ever dove in. They must engineer a way to slow the rapids down or risk being washed over the 80-foot waterfall. A faulty dredge valve on Fred's operation becomes explosive.

Dustin's crew is finally down to virgin ground but discovers their equipment is no match for the giant boulders at Rockfall Ravine, so Wes fabricates a new tool for their arsenal -- The Mammoth Claw.

Dustin's gamble of investing his life savings into these claims is pays off after Carlos removes a monster boulder and finds chunky nuggets. Fred and crew battle the Trifecta, and a game-changing discovery proves Fred's theory of the ancient waterfall.

On a gold streak, Dustin dives deeper than ever and uncovers the largest obstacle of his career. New recruit Scott finally gets the opportunity to prove himself in the water, but a rookie mistake could end his career just as it gets started.

Dustin calls on local legend "The Pirate" for help cracking a boulder blocking him from the richest ground of his life. After Fred is forced to put all diving on hold, Paul returns and they're on track to get gold for the first time this season.

Fred turns to his son Dustin for help when he uncovers a giant overhanging boulder at The Trifecta on the side wall that threatens to kill any diver below it.

With their richest site picked clean, Dustin and crew move upstream to "The Chute" a promising, yet dangerous site with rapids stronger than ever. Fred and crew rethink their operation and adapt the rock drag method to a vertical lift system.

At his new dive site Dustin’s life is endangered after being overpowered by raging white water. After heavy rain, Fred’s crew has a deadly encounter.

Dustin risks the remainder of his season on an ambitious move upstream to raging waters in a quest to add to his record-breaking gold haul; after a brush with death, Fred must come up with a new plan before someone gets killed.

Dustin’s crew make an exciting discovery that pushes them to test their limits. Fred’s crew is dangerously deep and under pressure to get down to bedrock tests them all.

An early winter storm turns McKinley Creek into a raging torrent. Unwilling to call it quits, Dustin and his crew prepare for their toughest battle yet. At the trifecta, Fred's worst fears come true as the walls of his dive hole come crashing down on him.

Determined to add to his season's record-breaking gold haul, Dustin pushes his luck to the very edge, as a freak accident sends him hurtling out of control towards the 80 foot drop at McKinley falls.

After his biggest single day gold haul ever, Dustin and his crew double down on a new site, a treacherous plunge pool called the Dog Leg. Upcreek, winter's frozen grip tightens as Kayla as her crew battle to reach their bedrock payday.

Dustin Hurt faces a dilemma: risk his life and financial ruin by purchasing and mining one of the most legendary and inhospitable claims in Alaska or play it safe in the white water of McKinley Creek.

Dustin's new Nugget Creek claim is said to hold life-changing deposits of gold, but Dustin and his crew must survive the most remote and inhospitable corners of Alaska to get it

With vital supplies running dangerously low at their remote Nugget Creek claim, Dustin attempts the impossible. Meanwhile, Kayla tackles the most dangerous diving conditions they've ever seen.

Battling the raging whitewater at Nugget Creek, Dustin and crew must build a safe harbor for their dredge. Meanwhile, legendary miner Fred Hurt returns to help solve the mystery of the pilings gold.

A medical emergency threatens to end the season before it begins. Meanwhile, Kayla fights to gain access to her new claim, by building a 400-foot walkway into the sheer cliffs high above Nugget Creek.

Out of fuel and out of options, Dustin risks his life on a resupply mission, navigating the raging Alaskan white water in the driver seat of his unproven airboat. Kayla comes face to face with a collapsing snow bridge in order to reach her claim. One wrong step could send her season crashing down.

With a widowmaker looming over the dive site, Dustin takes a new dredging approach that lands him in the path of Nugget Creek's roughest waters. Meanwhile, an emergency at Kayla's site threatens to sideline one of the miners.

A storm tears through Nugget Creek, putting dive sites and dredges in severe jeopardy. Mounting pressure causes a potentially season-ending explosion.

After a record find, Dustin knows many more of those six-ounce nuggets are within reach, leading him into a rematch with the deadly site that defeated him last season. To reach those life-changing nuggets means tackling their biggest engineering feat yet.