When a load of dangerous goods sails in, a rookie operator is tested with the offload; meanwhile, a family of fishermen hook the ultimate catch.

In the face of harsh weather, an emergency repair threatens vital deliveries and a veteran skipper has one last chance at a big catch.

The harbours are bustling and it's all hands on deck; as countless ships arrive, one fisherman fights to head out before the season closes.

There is chaos on both land and sea as a massive ship prepares to sail with millions in cargo, and a skipper faces a potential season-ending disaster.

When the hard hat heroes scramble to offload a huge shipment, the heavy-duty mechanics step in to help them pull off the mission.

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.

On a muddy recovery job, Dale proves that size doesn't matter when it comes to getting the job done.

While Dale struggles to run the family farm and his business, Gripp gets a call from his sister after a terrifying crash and races to help.

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.

The Gold Devils pin their hopes on an exploration mission to a rugged outback lease, and flood waters wreck the Gold Retrievers' new plant.

The Ferals lose a team member in the unforgiving outback, and Shane gets an attractive offer that could break up his partnership with Russell.

Jacqui and Andrews' big gold dreams are stalled by communication issues, and the Poseidon Crew battle wet weather to unearth a monster pay day.

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.

Ken and Guillaume race to get sluicing before Ken leaves for the birth of his son.

Guillaume battles rocky ground on his own while Ken is home for the birth of his son.

Chris has to manage his mounting stress after multiple breakdowns shut down his mine.

Ken and Guillaume's plan to get two sluice plants running comes crashing down after one falls off a truck and the other spins itself into disrepair.

Bernie gets shut down at Little Blanche when he discovers the old timers took more than he bargained for.

Alaskans must trap and hunt for essential food and fur to survive dark winter. In Kavik, Sue Aikens hunts for caribou and ptarmigan on the tundra.

Alaskans pursue scarce resources in anticipation of the coming spring. In Kiwalik, Chip and Agnes Hailstone set up camp for future resource gathering. Andy's trip to his woodpile doesn't go as planned.

At Caddo Parish Correctional Center, staffing shortages leave deputies outnumbered. As incidents erupt across the jail, the Emergency Response Team races to restore control.

While some wrap the season with big wins, Adam is still reeling from crab losses and makes a last-ditch gamble on tuna to break even.

Mike and Connor argue about restoring a 1967 Chevy II to original factory condition or as a high end 'resto-mod' with 21st-century touches, and a drag race brings out everyone's competitive spirit.

The Rust Bros crew make an explosive comeback, but Mike faces demons from his past when they tackle a 1968 Camaro and 1966 Super Bee.