Constant shutdowns and an overly complicated wash plant threaten to destroy a BC family's $1.2 million mining investment. When a personal crisis turns the rescue into a one-man mission, Juan must pull off a masterclass in jig upgrades to get the gold.

A BC miner fights to set up a legacy mine for his son, located beside the gold-rich Fraser River. With his money exhausted, Freddy and Juan resurrect a boneyard shaker and Franken-build an entire wash plant to triple production, saving a father's dream.

Freddy and Juan expose the truth behind the pitfalls of gold-hungry miners they've encountered over the years. Checking in with them, they share decades' worth of mining tips and tricks on how to avoid expensive mistakes and strike gold.

Two rookie miners in MT desperately need to double their gold after a disastrous start to the season. Battling a personal crisis, Juan rejoins Freddy as they follow signs of old mining tunnels and use new technology to uncover ancient river channel gold.

An all-female mine crew in Arizona struggles to mine for legendary riches with recycled water. As temps soar, Freddy and Juan scramble to build more efficient solutions and locate higher-grade gold in an ambitious attempt to triple the women's production.

When Freddy and Juan get an SOS from an Oregon couple's mine, they must unravel an underground mystery buried beneath a dried riverbed. Facing misleading dredge tailings and a faulty homemade wash plant, the guys call in all-new tech as a final hope.

When nuggets dry up on a couple's mine, the guys must crack the case: is it the miners or the mine? Battling a faulty operation, they build a new shaker table and a never-before-seen sluice scissor mechanism, making everything out of nothing.

In the season premiere, Freddy and Juan face off at a hard rock mine spanning three elevations at 4,000 feet in the Cascades. Battling impenetrable rock, the guys devise an innovative 180-foot chute featuring a spiral concentrator in their first-ever Washington state rescue.