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 new strategy to build a war chest creates an engineering challenge, igniting a flare up with his foremen. Rick pulls in his first gold of the season. Fred calls in reinforcements.

Parker's crew works double-time hoping for a big payoff while Tony gambles on a hidden strip of paydirt. Later, Rick struggles to keep his small crew working.

Rick bets nearly all his gold on a new machine that could transform his operation. Tony resurrects an abandoned secret weapon. Parker hires new crew members to make up for lost time.

A competition erupts between Parker's two wash plant teams. Tony discovers a pile of lost gold. Fred Lewis' and the veteran crew face an unexpected setback.

Rick risks his season on a hunch that he's discovered a new hot spot. Tony mobilises an arsenal to cash in on lost gold. Fred's veteran crew fight old equipment.

Tony fires up a second plant to haul in gold left behind by the old-timers. Meanwhile, tensions rise when Parker departs for Alaska, leaving Mitch in charge.

Parker returns to Alaska to prospect new ground and expand his empire. Rick digs deep for big gold in a cut he hopes will deliver the biggest weigh in of the season. Fred's crew member Johnny comes up with a unique fix to their water problem.

Parker returns to the Klondike and records the biggest gold haul of his career. Tony travels deep into the wilderness to resurrect of a gold-catching monster. Rick's forced to find better ground. Fred makes a big change to get on the gold.

Parker makes a deal with Tony to open a new cut on the Indian River and Tony's new trommel build gets derailed. Later, Fred's greenhorns step up to keep the Colonel running.

Parker risks losing sluicifer during a move to new ground while the Beets try to supercharge their season with a massive new trommel. Rick brings back Monster Red for help with a record season.

Tony cleans up big with the old timer's lost gold. On the brink of ending his season, Fred Lewis' team begins to crack, forcing him to make a big a decision. Rick cashes in his gold to fund his season, leaving his crew to keep the season on track.

Parker's crew tallies up all the gold from the Last Cut and rushes to mine out the Airstrip Cut. Freddy and Juan answer an SOS call from Fred Lewis. Tony drains a massive holding pond to get his operation back up and running.

Parker and crew face a potentially catastrophic flood at the Airstrip Cut; Tony uncovers a secret patch of gold-rich ground at Paradise Hill and logs his biggest gold weigh of the year; Rick throttles up his operation with a new water system.

Fred finds promise under the old Mayor's house while Parker's co-foreman answers to a family crisis. Later, Rick turns to the King to keep things running.

Carl is forced to leave the claim for an emergency surgery; Rick's team bands together to stay on the gold; Fred's crew steps up after the loader dies; Tony pays the price for ignoring a long overdue upgrade.

Parker's record-setting pace rests in the hands of mechanic Shane Smith. Tony taps out the Megacut and pivots to open more ground. Fred calls on Mitch to help fine tune his operation.

Rick bets on a new stretch of ground that pays out with a monster nugget. Parker confronts Brennan over a missed opportunity. Tony digs up a relic that could lead him to virgin ground.

After a key piece of equipment dies, Fred decides if it's time to pull the plug. Parker's crew struggle to keep up their breakneck pace when a conveyor belt goes down. Rick prospects some of the richest ground he's ever mined.

Parker's record-breaking season rides on an unproven wash plant; Rick redirects a river to hit big gold; Tony returns to the old timer's honey hole; Fred scrambles for a future.