Trouble continues with the bombardiers for both Trevor and Chris Kristjanson. Meanwhile, Justin and Mike head up to Hecla Island where they hope the catch will be better than what they have so far.

The Ferals are on the brink of collapse, Shane and Russell could hit the richest gold patch of their season, and Jacqui and Andrew battle back-breaking ground that could ruin their latest deal.

The Poseidon Crew are running out of time to find a 1000-ounce nugget, the Gold Retrievers attempt to escape dangerous summer heat, and the Goldtimers confront the extremes and uncover a massive haul.

Parks Towing battle a paint-filled B-Double, Clayton's Towing race the tide to salvage a sinking houseboat, and North Coast Towing try to tow a damaged tractor up a steep ravine.

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

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.

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

Paul Mackie and his team of gold mining experts travel to the Pilbara region in Western Australia to help an Indigenous family's gold mining operation save itself from imminent financial disaster.

The Gold Timers confront gold thieves and a super-sensitive detector lands them on gold, and Shane and Russell's homemade sluice struggles to process pay before they gamble on overworked ground.

The Poseidon Crew race to find gold before freezing weather shuts them down and the Dust Devils gamble over $150,000 on a crushing plant as a new team hunt the vast state of Queensland.

Irv takes on the restoration of an Escort RS1600i from an owner who had to give it up due to ill health. It turns out to be a much bigger job than he imagines.

Ken makes a dangerous fuel run with no diesel left, Karl ignores his dad's advice and risks a flood on their mine, and Big Al's final efforts may push his crew to their breaking point.

New 'hired hands' team The Ferals battle intense 40°C temperatures, The Poseidon Crew use old clues to uncover a bumper payday, and the Dust Devils launch their biggest and riskiest project ever.

Desperate to salvage the second week of their season as Shane and Russell return to the outback, the Poseidon crew fire up their million-dollar washplant, hunting their highest season target ever.

As the Wildcard crew prepare for their first unload of the season, Prue and three-year-old daughter Ellica find themselves out at sea and face to face with a hungry shark.

The Mine SOS team have just six days to install a full-scale hard rock mining operation and deliver a potentially life-changing payday for hard rock rookies Nathan Malatesta and Steve Ogilvie.

Ken makes a dangerous fuel run with no diesel left, Karl ignores his dad's advice and risks a flood on their mine, and Big Al's final efforts may push his crew to their breaking point.

Expert analysis and experience combine to put Shane and Kate onto some gold, and Nev takes Brent and Ethan to a secret spot in the Great Australian Desert.

Jacqui and Andrew are threatened by deadly snakes and sharp rocks on their hunt for gold; Shane and Kate are already on some gold, but will they have the equipment to extract it?

Paul Mackie hires a massive bulldozer to uncover a gold deposit, breakdowns force Sheryl Munro to run a dry blower on her own, and the Poseidon Crew scale up their search for fine gold.

Gordon melts his collected gold finds in the camp. He celebrates a first major success. Meanwhile, another plant defect completely stops mine owner James. Dropout Sebastian helps Stanley.

We visit the incredibly complex world of the airport; this is where the biggest and the fastest vehicles in the world share the same space and where the slightest error can result in catastrophe.

The team explore a 100-year-old mining claim using cutting-edge technology, and a family connection leads Tanya one step closer to the enigmatic Lasseter.

It's tough running a sapphire mine, and the Mifsuds are learning that the hard way; Ray and Paul use their 40-tonne drilling rig to punch a hole down to meet up with some old tunnels.