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

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

As each crew attempts to hit their final goals, a fist fight on the Hoffman claim ends in a resignation; Tony's plan to relocate his dredge hits a brick wall; and Parker records the biggest gold weigh of his life and teases his next big adventure.

The washplants featured on Gold Rush have trapped more than $18m worth of gold, but which monster machines have made the most or lost the most money?

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

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

Todd Hoffman’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 Beets discovers his dredge is blowing gold out of the sluice

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

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

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

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 Hoffman moves his entire operation and starts to run paydirt at a new mine. Parker Schnabel is flooded out and Tony Beets’ ancient dredge hits a record gold.

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

In this mega-packed episode, Tony Beets breaks records with the biggest gold haul in Gold Rush history. Parker Schnabel battles to save his dream washplant, and after seven weeks at the Buckland, Todd Hoffman’s finally on the gold.

Todd Hoffman eats humble pie when he begs his old crew to return, Parker Schnabel loses an excavator in a swamp and Tony Beets gives his daughter Monica her own operation.

Todd's whole operation is brought to a halt; 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 Hoffman hits rock bottom when, after seven seasons, a key crew member quits. Tony Beets transforms some rusty relics into a monster power barge, and a troubled Parker Schnabel misses his own birthday party.

With no paycheck for five weeks, Todd Hoffman’s close-knit team turn on each other. Parker’s gamble to run his washplant without protection from rocks proves costly. Tony builds a $10,000 mega-trailer to move his barge – but gets his measurements wr

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

Todd returns to the Klondike to collect Monster Red while Parker confronts tough negotiator Tony over royalties and receives a shock offer.

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 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.