94 year old mining legend John Schnabel convinces his grandsons Parker and Payson to return to Big Nugget to work together deep into the winter to prove, once and for all, that there is big gold buried deep under Smith Creek.

Todd faces disaster when he discovers his claim has been mined out. The Dakota Boys fight over rival mining plans, with one plan high in the mountains, and the other deep in the hole. Parker ignores Tony Beets, but still manages to hit his first pay dirt.

Todd makes a shocking departure. Parker is forced to rebuild his wash plant after losing gold. The Dakota Boys finally hit the bottom of the Glory Hole.

Parker Schnabel refuses to give up. He's not satisfied with his gold total and is dead set on bringing home big gold to his beloved grandfather. Nothing is going to stop him, not even the Klondike winter.

The Hoffman crew attempts to set up their washplant, but the jungle fights them every step of the way. The Dakota Boys find their first bedrock gold in the glory hole. In the Klondike, Parker gets more gold out of Little Blue than the Hoffmans ever did.

Todd switches to diamond mining; Dustin is stranded in the mountains during an electrical storm; Parker's wash plant is destroyed.

The season premiere breaks ground in 3 countries. The Hoffman crew moves their operation to the hostile Guyana jungle. The Dakota boys need to find a safe route over thin ice. Parker is out of cash and must find gold – but Tony Beets has bad news for him.

The Hoffman crew battles the hostile jungle to get vital mining equipment to the claim. The Dakota Boys drill to find out whether the glory hole contains millions in gold. Parker is on the warpath when a new crew member throws out his gold.

Todd returns to Guyana expecting 20 oz of gold but gets a shock. Parker faces a mutiny and seeks advice from Grandpa. The Dakota Boys expect a huge pay out from the glory hole but get a blow.

Todd makes a startling discovery while searching for new ground; Parker tries to stop Todd from repossessing his dozer; Fred prematurely gives up on his glory hole.

A tropical storm floods the Hoffman's operation; Dave must dive into the pit; Parker runs a washplant; the Dakota boys get a clean-up.

This no holds barred show reveals how Fred coped with a dying wife, why a fateful choice cost Todd a huge amount of gold and how he coped with a murder in the jungle. A look forward reveals where the miners will be next season and who will return.

Dave returns to the Hoffman crew and butts heads with Todd over their mining plan. The Dakota boys stake their future on a new cut; Parker gets a second chance at mining with one of the largest wash plants in the Klondike.

Dave is forced to dive deep into the pit when a tropical storm floods the Hoffman's operation.

Todd's claim owner forces a change of plans; Grandpa makes a radical suggestion while visiting Parker; Dustin fights to reach mountain gold.

An emergency in the jungle forces Todd to airlift one of his men to safety. Tony Beets becomes furious when he finds that Parker has moved his whole operation over the creek. The Dakota boys may be forced to abandon their hole.

Todd faces eviction; Parker modifies his plant; Dustin gets real mining equipment to Cahoon Creek.

Jack destroys the washplant forcing Dave to find a new way to run their dirt. Frozen pay disrupts Parker’s operation and threatens to end his season early. Dustin participates in a dangerous operation.

Todd’s claim owner arrives unannounced to take stock of the Hoffman’s operation. Dustin returns from the mountains just in time for the final clean up. Unwilling to admit defeat, Parker uses a new piece of equipment to thaw his frozen paydirt.

Behind the scenes with the production crew