With the ice on Lake Winnipeg still locking into place, the fishing crews risk thin shifting ice to venture further onto the lake, but fresh snow has introduced another complication: glare ice.

An armed trespasser threatens the Gold Devils' exploration mission, and the Ferals uncover the biggest gold nugget of their mining careers.

The new team of Alan and Salty take the plunge in search of underwater nuggets, and the Ferals hit a rich patch but are forced to chase away thieves.

Tempers flare as Parks Towing takes on a high-pressure truck recovery from the bottom of a steep gully in the snowy mountains of Canterbury in New Zealand.

The Gold Devils race against the elements, Jacqui and Andrew push to new extremes, and mechanical issues leave the Ferals divided.

The Cooks' latest purchase - a brand-new helicopter - can't seem to get off the ground, and Kurt Hammar's youngest son Kodi has dropped out of school to become a bull catcher.

Irishman Eric takes on the longest truck in the world, and Shelley tackles her first ever hay load over a notorious mountain range.

Eric gets his 60-metre super-quad wedged completely stuck on a roundabout, and 22-year-old Roy takes on his first-ever triple trailer job.

Fresh from the UK, Phil battles flies and 14-hour days on a gruelling haul across the continent; meanwhile, Shelley fights mechanical issues and Melbourne's city chaos on her first paid job.

Roy battles hazardous loads and a terrifying brake failure, and Chevy fights worsening weather and an oil leak on his first solo haul.

New rookie Sehaj battles a back injury, abuse, and a time-critical delivery; meanwhile, 22-year-old Roy has the weight of the world on his shoulders carrying 48 tonnes of steel plates.

Alan and Salty head to wine country to chase a gold rush legend, a drought threatens to end the season for Shane and Kate, and the Poseidon Crew use an oversized metal detector to find huge nuggets.

Jacqui and Andrew buy a quad bike to get to the site of an old gold rush in tropical Queensland, and Shane and Kate are falling further behind with more equipment failures in Western Australia.

A major health scare, unreliable machinery and the Victorian weather challenge the Poseidon Crew, and the Heli Hunters get into dangerous trouble chasing their dream of buying a gold lease.

The McGhies try to work two patches at once despite failing machinery, and Paul Mackie takes on a massive gold extraction process with the help of his family.

Mel and Alex are understaffed in Western Australia and get some desperately needed help for the Gold Devils, and the whole McGhies family pulls together to exploit a new gold-rich ground.

Ken and Guillaume journey over a treacherous mountain pass. Cam stresses over getting Oklahoma welder Gary into the country. Mining couple Nika and Chris have a rough start to their season.

Cam gambles on an expensive new water cannon. A broken part on his sluice plant slows Karl's progress. Ken and Guillaume's first gold test is a dud.

Cam and his crew rush to start sluicing Donovan cut. Karl comes up with a clever way to motivate his crew. Chris and Nika's operation is halted by a sluice plant breakdown.

Chris and Nika butt heads while moving to a new cut. Cam struggles with machine failures and contaminated fuel. Ken and Guillaume's mining plans nearly go up in flames.

Frozen ground threatens Cam's season. Ken and Guillaume shut down their prospecting mission. Karl weighs in his mid-season gold.

At the start of the new season, the gold seekers in the rough north of Australia are under extreme pressure. The dry season offers perfect conditions for the treasure hunt, but there is not much time.

The dry season continues to offer ideal conditions for gold hunting. Gordon takes rookie Sebastian to a spot where he was successful before. Gordon finds the first nugget of the season.

The Mahoneys' Ted employs a historian to make sense of a mysterious find, Rick has rushed back to work much sooner than the doctor ordered, and there's pressure to hit target for the Gold Gypsies.

The Dirt Dogs' stalled 'Heap Leach' project is at crisis point, Rick has $9,000 left to reach a target, and the Scrappers are forced to retrieve gold from one of their leases before poachers steal it.

The Dirt Dogs' 'Heap Leach' plant is sabotaged, but the operation is vital to reaching their massive target. Rick needs just four ounces and the Mahoneys are confronted by unscrupulous competition.