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Builder Mike Williams prepares the cabin structure for earthquakes. Meanwhile, Dave and Hands start fixing the floor on their build on Shelter Island.

The Day Of Triumph & Tragedy. The Kilchers take on two massive jobs - moving the historic Octagon building to safety while also finishing Shane's multi-year cabin build.

The Day Santa Came To The Homestead. It's Christmas time and the Kilchers celebrate by playing Secret Santa! After a strenuous summer the family kick back and enjoy the festivities.

The Tunnel Rats are under extra pressure as rival miners close in on their claim. And, the Bushmen must brave an abandoned mine to remove a dead animal.

The ice pack has a chokehold on the opilio grounds and captains across the fleet must make the call to stay or go. Some run, and others stay to battle the elements.

One of the boats suffers a total blackout while navigating an iceberg minefield. Meanwhile Elliott gets a rude awakening, and a greenhorn learns a deadly lesson.

The Raneys bring some homesteading mastery to a Vermont couple. Marty creates viable access through dense terrain, while Misty builds an underground garden.

In Nome, Alaska, the summer gold mining season kicks off. The Kellys hope to repeat the success of last season and Kris leads his team with a newfound determination.

Shawn is able to dig deeper than ever before, but he's also fighting to keep his family dynasty. Meanwhile, veteran skipper Vernon has rebuilt his war chest.

The 1952 Pontiac rumbles to a conclusion as the team struggles to get the trim, paint and upholstery just right. Plus, Dave adds custom graphics to a 2014 Challenger.

The owner of a 1969 Camaro has a very specific mission for Dave. Plus, the shop is challenged to repair a convertible top.

With Dan stuck at home, Justin starts the new mining season alone. He is dealt a huge blow when their rich underground mine has been pegged by another miner.

Justin's excavator has an expensive oil leak. Plus, Col's crew are a man down and the Fire Crew are on a wild goose chase hunting a bounty of fabled fire opal.

King Crab season draws to a close. Casey forces Josh to fish at full throttle on the Cornelia Marie, and Jake takes another turn at the wheel on the Northwestern.

Christmas at sea for the Time Bandit is disturbed when an unhinged deckhand terrorizes the crew. Meanwhile, Jake Anderson awaits the birth of his baby.

Featherlite builds a Wall Street-inspired fleet of coaches for a demanding client. And, the world's fastest RV revs up for a thrilling ride.

RV builders create a track-side mobile mansion for auto racing driver Helio Castroneves. Plus, a surfing enthusiast transforms a retired double-decker school bus.

A robbery at the Gold Retrievers' camp puts more pressure on Chris and Brad's partnership. Marcus and Linden finally hit a rich patch of nuggets.

A Bear, shark and rattlesnake attack survivor teams up with Brooke, an elite hunter. Together they tackle vicious lions and hyena in the harsh African feeding ground.

When a third survivalist crashes the challenge, tension and jealousy prove just as threatening as the heat, piranha and jaguars of the Ecuadorian rainforest.

Builder Mike Williams and his team gain some ground - but can they keep it while laying plywood over the cabin's foundation in Eagle Song.

When processors shut down due to outbreaks, captains take inordinate risks to deliver in rough seas. Josh and Casey race to deliver live crab after their pump fails.

Keith risks pushing through jagged ice in search of the Wizard's lost pots. Wild Bill overturns the Summer Bay and a beloved crewman makes the ultimate sacrifice.

Johnathan Hillstrand comes out of retirement. Firing up his legendary vessel, the FV Time Bandit, Johnathan assembles a veteran crew to take on the Bering Sea.

The Goldtimers hire a 7-tonne loader to end their gold drought. The Dust Devils risk running out of water. Marcus vanishes while clifftop detecting.

The Poseidon Crew hunts for bush gold. The Gold Gypsies face a tough decision. The Victoria Diggers' perseverance could finally pay off.

The Gold Gypsies go on a night-time detecting mission. Shane and Russell push their wash plant to breaking point.

Marcus and Linden suffer an injury that could end their road trip. The Dust Devils attempt to produce the biggest gold pour of the season so far.

The Young Guns rethink their black opal hunt when they face impenetrable mine walls. The Blacklighters' ambitious plan is threatened as their generator dies.

The Bushmen discover a hidden shaft by falling straight down into it. The Young Guns are forced to undertake emergency repairs halfway down a mine shaft.

The Bushmen take over their new recruit's mine, but the new claim proves equally treacherous with little sign of opal. Bishop resorts to explosives to move a wall.

The Bishop and Scotty struggle to make safe a wall and end up causing an avalanche. Meanwhile, the Mooka Boys' bobcat is hit with critical failure.

The Bishop loses his partner Scotty deep underground. The Tarantos' hopes of exposing a rare pocket of opal are in jeopardy and Young Guns make a big mistake.

Jeremy Wade investigates if one of the Bermuda Triangle's most infamous disappearances was part of a conspiracy by a secret agent at war with the US.

Jeremy Wade explores the sinking of the mighty SS Fitzgerald. Can new discoveries finally tell us what led to one of the biggest catastrophes on the Great Lakes.

Weston loves eating raw meat, but his mum worries that it could lead to major health problems. Plus, Rachel breastfeeds her husband, Alexander.

Brittany's addiction to eating car seat foam forces her family to intervene. Lauren has moved on from her bodybuilding addiction with a new obsession.