Gold Rush: White Water - Season 4 (2020)

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. Fred puts greenhorn Scott to the test.

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

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 starts.

Dustin calls on a legend for help cracking a boulder on rich ground.

Dustin takes control after Fred discovers a life-threatening boulder.

Dakota Fred and his son Dustin risk their lives to find a fortune in gold nuggets, taking them deep beneath the waters of one of Alaska's wildest creeks.

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, The Chute, Dustin is overpowered by the raging white water leaving his life in his crew's hands. After heavy rain, Fred's crew fights zero visibility and have a deadly encounter 14 feet underwater.

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 in their 20-foot dive hole.

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.

A storm turns McKinley Creek into a raging torrent, but Dustin is unwilling to call it quits. Fred's fears come true as the walls of his dive hole come crashing down.

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.