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Otto and his family battle the elements and predators to drive their cattle to the summer pasture. Atz Lee and Jane build a makeshift greenhouse from cast off supplies.

Eivin and Eve's cannibal hen strikes again. Meanwhile, Atz begins his summer range riding season to protect Otto's cattle herd, but will he keep the predators at bay.

The Tunnel Rats risk their lives to get a massive digger under the ground. Meanwhile, the Blacklighters are amazed to unearth their largest piece of opal.

Sig heads off the grid on a daring midnight mission, hoping to shake his rivals. Plus, Keith receives big news from his doctor regarding a mystery illness.

Keith struggles to keep the Wizard afloat as a flooding collision void threatens to sink him. Plus, Jake is left stranded when a boat part goes missing.

The Raneys return to Alaska, but they find their homestead on complete disrepair. They race to build a steel tram before the deep freeze sets in again.

Part 2. The Raneys must move an entire cabin into the flood zone as Marty's dam is tested. The surprise arrival of chicks means the coop needs an upgrade.

With their million-dollar goal in sight, the Hoffmans' best working wash plant breaks down. Todd's last shot is to fire up the Hot Mess.

As Alaska's brutal winter bites, Todd works the night shift hoping to hit his million-dollar goal. Will the final gold weigh be a big win - or another disaster.

Big Al's mining season is immediately thrown into doubt by a faulty excavator. Plus, Bernie rages at his son for breaking an important piece of equipment.

A member of Ken's team threatens to quit after making a series of calamitous mistakes. Plus, Big Al is delighted by his first big score of the season.

The 1965 Mustang makes its way through the metal shop and is now ready for paint and final assembly. But making it function will test even the Kindig crew.

Dave has decided that the time is right to design his own concept car from scratch. It's a huge job that involves all the different departments in the shop.

Sig pushes Mandy to invade the Cornelia Marie's ground, sparking a battle for the crab. Plus, a Saga distress signal sends panic across the fleet.

A severe arctic gale batters the fleet, forcing captains to fight extreme wind and waves. For a second time, a greenhorn's life hangs in the balance on Summer Bay.

Mike and Elvis take on the 'baby Ferrari' but with a tiny budget. Can the guys make this old school classic car a rival to its Italian cousin.

Mike's gone all nostalgic, buying a 58-year-old Dormobile campervan. But Elvis has a huge amount of work to do on it including a brand-new engine fit.