Machine breakdowns threaten to cripple the Gold Timers' season, and the Ferals r-join the hunt and face a medical emergency as Linden finally breaks his gold drought.

The final week of the season: the Dust Devils' disastrous season goes from bad to worse, Shane and Russell battle the heat, and the Poseidon Crew unearth a nugget that catapults them to target.

In Western Australia's legendary Goldfields, three teams of hardcore gold prospectors risk their dreams and futures as they pursue the ultimate golden reward.

New recruit Sherl hopes to restore faith with his bosses on Team Cook, and Clarry's Indigenous clients dream of building a new life on their ancestral lands using proceeds from caught bulls.

As wildfires rage, Dale battles smoke, heat and steep mountain passes to help his friends... until the road fights back.

Dale comes face-to-face with some hard medical truths, and a diabetic crisis in the backcountry leads to a life-or-death recovery for Luke.

After a brutal year of pain and pushing through, Dale pins his hopes on a life-changing surgery while Gripp steps up to carry the load.

Dale's business is growing, but so are the risks. A cliffside wreck recovery forces him to face fears and prove he's up to the challenge.

Snow, ice, and a deadly mountain road push Dale to the edge as he fights to stay in control and keep his business moving forward.

On the Magdalen Islands, the snow crab and scallop opening days are hammered by a winter gale, slashed quotas, and gear failures that threaten to sink far more than just the start of the season.

As families celebrate Easter ashore, mysteriously empty traps spark fears of a high-seas robbery across the crab fleet. Captain Steven brings his five-year-old son out to brave the unforgiving Gulf.

Driven by a severe crew shortage, the fleet relies on unproven greenhorns to salvage the season. Adam's teenage nephew faces the Gulf's hidden dangers in the dark.

As the historic 150th Magdalen Islands lobster season begins, Steven and a handful of other captains break the unwritten rules of the islands by border-hopping to northern waters.

As a brutal storm grounds the fleet, the next generation steps up. Left in charge, rookie captain Tyson Scott's chance to beat his father's lobster totals is threatened by a tangled propeller.

The Poseidon Crew are poised to secure ground that could hold multi-million-dollar nuggets, Jacqui and Andrew venture into north Queensland, and the Ferals take a gamble on a remote island expedition.

Brent Shannon's gold dream lives or dies at a weigh-in, Shane and Russell venture out on a gruelling 3000km expedition, and new team the Gold Retrievers unearth a bumper payday.

A disastrous fire cripples the Goldtimers' season, Marcus and Linden gamble on a new lease and expensive machinery, and the Ferals are forced to launch a rescue mission when Rob goes missing.

Jacqui and Andrew are stranded in the Palmer River region, Shane and Russell could finally hit a rich patch of nuggets, and the Poseidon Crew face a critical meeting.

Winter storms cripple the Gold Retrievers' new dryblower, wet paydirt forces Shane and Russell to shut down their plant, and the pressure to find gold could finally tear the Ferals apart.

The Alaskans struggle to accomplish their tasks. For Glenn and Andy, freezing temperatures and thick ice mean increased difficulties for trapping. Jessie's sled dog race is complicated by snowfall.

The Alaskans must use the brief hours of daylight to build vital tools, maintain their land, hunt for needed food, and sharpen their survival skills.

The temperature drops below -50 Celsius, leaving the crews exposed to the elements. Trevor and Matt are stranded as their Bombardier breaks down; Chris' crew embark on a rescue mission.

Chris continues pushing his crews hard as he ventures further onto uncharted ice - meanwhile, Mike and Justin continue to toil with their Bombardier as costs are up and fishing is down.

The crews continue their final push, hoping to hit their quotas at the end of the season. Chris puts in more nets in the hope of making his quota; will it pay off, or blow up in his face?

It's the final days of the winter fishing season as the lake ice begins to melt and becomes dangerous; everyone is scrambling to bring in a big catch with big money on the line.