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Todd takes a risk and turns his back on guaranteed gold in the Klondike. Tony expands his empire, buying a huge second dredge. Parker starts his new season without his grandfather and mentor.

Todd has his back against the wall when his new Oregon mine fails to deliver. Parker's new $600,000 washplant breaks down on its first start-up, and Tony takes to the sky to check up on his children.

Todd returns to the Klondike to collect his washplant, known as "Monster Red." Parker confronts Tony over royalties, leading to a shocking offer that will change his season.

Todd finally finds good gold at his new High Bar mine, Parker gives his foreman, Rick, his own operation. When Tony and Minnie decide to cut the dredge crew's pay, a key crew member calls it quits.

Todd battles to get the 50 ounces of gold he needs to keep his High Bar mine open. Tony brings his children together to get his Paradise Hill claim up and running. Parker is furious at errors that cost him thousands of dollars.

Todd moves his entire operation and starts to run paydirt at a new mine. Parker is flooded out, and Tony's ancient dredge hits a record gold.

Tony arrives to find his million-dollar dredge in disaster. While Rick is at his grandpa’s funeral, Parker shuts him down by taking his equipment, and the Hoffmans discover that their wash-plant doesn’t work in their new mine.

Todd Hoffman digs deeper than ever in a desperate search for gold. Tony Beets hauls a monster down the Yukon River. Parker Schnabel's $600,000 wash-plant starts to shake itself apart.

Tony breaks records with the biggest gold haul in Gold Rush history. Parker battles to save his dream washplant, and Todd is finally on the gold after seven weeks at the Buckland.

Todd hits rock bottom when a key crew member quits after seven seasons. Tony transforms some rusty relics into a monster power barge, and a troubled Parker misses his own birthday party.

With no paycheck for five weeks, Todd's close-knit team turns on each other. Parker's washplant shortcut backfires, and Tony's measurements on a trailer to move his barge prove to be inaccurate.

Todd's crew has quit, and he desperately tries to keep mining with a skeleton team. Parker carelessly breaks his truck’s air hoses while transporting his washplant, and Tony discovers his dredge is blowing gold out of the sluices.

The remnants of the Hoffman crew are at their lowest, but someone brings Todd good news. Tony fires his barge captain, then runs aground up the mighty Yukon River. Parker's second operation is finally up and running.

Rick outperforms Parker on his new Indian River claim. Tony's dredge suffers a catastrophic failure, threatening his season. Todd's skeleton crew finally sees good gold at their new mine in Colorado.

Todd begs his old crew to return to his new operation in Colorado. Parker loses an excavator in a swamp, and Tony gives his daughter Monica her own operation.

The Hoffman crew opens a second mine in Colorado, and Parker tries out a new mechanic who fails to get approval from Mitch. Tony sets sail in a power barge up the mighty Yukon river.

Parker is forced to call his dad in to help his struggling operation. Todd has the best clean-up of the season, and Tony's daughter, Monica, starts bringing home the gold.

Todd's whole operation is brought to a halt when a beaver dams his water supply. Parker’s plant move turns into an excavator nightmare, and a massive fix means Tony can finally get his broken dredge up and running.

Todd finds monster nuggets on the top of a mountain. Parker and Rick struggle with a conveyor, and Tony pits Monica against Kevin to see if the dredge is more efficient than a modern washplant.

Todd uses dynamite to blast monster boulders and get to the gold, and Parker has to overcome a flood to get to a record gold count. Tony heads up the freezing Yukon River in his massive power barge.

As all three crews attempt to hit their final goals. A fight on the Hoffman claim threatens to end the operation, and Tony’s plan to relocate his dredge hits a brick wall. Parker records the biggest gold weigh of his life.

The miners reveal the secrets of the gold mining season: the life and death issues on Parker's claim, how Tony Beets was defeated by a piece of paper and how a fight on the Hoffman claim brought about the end of a seven-year veteran.

Parker Schnabel and three friends are about to attempt the Klondike trail of 1897. It's 600 miles of mountains, lakes, rivers and frozen wilderness. But first, we get to the know the team behind this expedition and find out why they're doing this.

Parker Schnabel and his friends pay tribute to the legends before them and attempt the Klondike Trail of 1897. Not only is it 600 miles of mountains, lakes and rivers, but leaving dangerously late in the season means the winter may derail their plans.

Parker and his crew are only 50 miles into the daunting 600 mile trek on the Klondike Trail. It's a race against time as the water is quickly freezing, but with food sources running low they are forced to pause and go hunting or face starvation.