A rogue gunman fires shots at the Hoffman crew; frozen ground destroys Parker Schnabel's dozers; Tony Beets starts to tear apart his 500 ton dredge.

A massive forest fire tears through the Klondike toward Parker's claim, threatening to end his season; Tony desperately needs his barge to run.

In Colorado, Todd's only hope for the season rests on a new claim, 'the jewellery box' - but has it already been mined out? And, Freddy drops a bombshell.

Parker and Todd go head to head as they lay down the exact same gold-weight goal for their season, whilst Tony Beets fires up his second ancient dredge.

Parker Schnabel is halfway through the season, but nowhere near halfway his goal. Plus, Tony Beets is ready to barge the bucket line down the Yukon River.

Judgement day on Parker and Todd's 100-ounce bet; while Parker chases a record-breaking total, Todd desperately tries to keep his crew from falling apart. Tony struggles to get his dredge to Dawson before the Yukon River freezes over.

Todd shuts down his operations to support Freddy Dodge as he pleads with the county commissioners to allow him to mine his claim; Kevin has bad news.

Todd discovers a historic mine site that could turn his season around; Tony mounts a massive operation to replace a 24-ton bucket line; Parker's parents arrive for his birthday bearing extraordinary gifts.

Todd interferes with son Hunter's wash-plant, pushing their relationship to a breaking point. Parker battles to maneuver a 150 foot super conveyor and Tony desperately needs dredge #1 to deliver gold but frozen ice may derail his plans.

When Todd Hoffman's water supply gets ruled illegal, Freddy comes up with a plan to save the day. Tony undertakes a $600,000 upgrade of Dredge 1.

While Parker Schnabel fights rising floodwaters to save his cut, Hunter Hoffman makes a bold decision shut down his operation and his father's.

Todd Hoffman suspects sabotage when the crew is hit by a water crisis; Parker Schnabel battles to move his monster wash-plant, "Sluicifer;" Tony Beets orders Monica to fire up her wash-plant, but a rookie mistake shuts them down.

Parker buys his first Klondike claim, but gets an unpleasant surprise when he test pans it. Todd uses chemical ingenuity to break a monster boulder apart that stands in his way to gold. Tony nearly loses a crew member as he is tearing down his second dredge.

Parker Schnabel moves a massive wash plant on his own. Todd Hoffman races to set up his new trommel and faces a medical emergency, while Tony Beets' daughter makes a $200,000 mistake.

Todd's Colorado mine lies in the path of a rare solar eclipse, but he faces trouble with less than 800 ounces this season; Rick has bad news for Parker.

Hunter Hoffman makes a rookie mistake that causes dysfunction in the team. Tony Beets has to improvise to tear down his second dredge. Parker Schnabel risks damaging his washplant as he races to finish his last cut at Scribner Creek.

Parker threatens to shut down Rick's Indian River operation after the production dives. Disaster strikes the Beets crew while Kevin is gone visiting his girlfriend. Todd's crew scours the mountainside for gold after he gives them a shocking ultimatum.

Tony's dredge teardown hits a wall when they attempt to remove the heaviest piece. Hunter Hoffman demands a change of mine site if they're going to have a future. Parker makes a bid for independence on his own claim, but Tony stands in the way.

Parker Schnabel's opens a brand-new cut, but his crew gets stuck in the mud. Todd tries to get Hunter back on the team to assemble a new wash-plant and Tony's stuck up the creek without a barge.

Parker Schnabel and Tony Beets are locked in a fierce battle for independence and supremacy. The deep rivalry between the gold-mining prodigy and the Kind of the Klondike has produced some of the series' most dramatic moments.

Parker suspects Tony of sabotage on his new ground and confronts him. Todd's new washplant hits the noise limits for local regulations and they must find a bush fix to solve the problem. Tony Beets takes on his biggest challenge yet in tearing down his second dredge.