Shane and Russell double down with two gold plants, the Gold Timers scale up with an eight-tonne loader, and Brent hires his 14-year-old son to drive the Poseidon Crew's 40-tonne articulated truck.

The Dust Devils pour $40,000 into a new Heap Leach plant, 50°C heat threatens to shut the Ferals down, and an angry confrontation could see Marcus, Linden and Dale thrown off of a lease.

Jack and Hollywood work to deliver 500,000 dollars' worth of cattle, Dave is booked to collect a 75,000-dollar ute, and Truckie Jorden has broken down on the side of a road and desperately needs help.

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.

Gale-force winds tear across the outback, causing pandemonium for bull catchers; when hats and helicopters are tossed around by 40-knot winds, Kurt must weigh his goals against the safety of his team.

Myles has a shocking final shot. Rhino claims an early season victory. And Bryce's $100,000 haul hangs in the balance.

A vital bridge crashes to the ground in Pennsylvania, tragedy strikes a packed commuter train heading into Sydney in Australia, and what triggered explosions at a rocket fuel plant near Las Vegas?

Donnie begs owner Dennis for a job At Swiss Diggings, and the glamorous Kimberley gets a tour of the 1870 mine's facilities and nearly throws up in disgust at the living conditions.

The Poseidon Crew receive devastating news about their mining permits, the Dust Devils gamble big on a huge quartz reef, and Shane and Russell strike gold right on their doorstep.

Marcus and Linden are accused of illegal prospecting, the Goldtimers strike it lucky with a gold-rich patch, and the Victoria Diggers are desperate but receive a lifeline from their neighbour.

Mike's crew builds a 1969 El Camino to compete in a full-contact 'Hit to Pass' race against their biggest rival who plays by his own rules.

Racing against time, PJ and Andy start a night shift to sluice their best pay dirt of the season before winter shuts them down.

The Victoria Diggers are back chasing multi-million dollar nuggets, rookie team the Dust Devils' new dry blower grinds to a halt, and tragedy strikes the Gold Gypsies.

The Poseidon Crew face a financial disaster, the Victoria Diggers' $150,000 wash plant arrives with horrendous damage, and rookie team The Goldtimers put their families' future on the line.

Myles has a shocking final shot. Rhino claims an early season victory. And Bryce's $100,000 haul hangs in the balance.

Paul's mine makeover team help a team of ex-servicemen become skilled goldminers as they strive to fund their veteran's charity and overcome the crippling legacy of their service via prospecting.

Racing against time, PJ and Andy start a night shift to sluice their best pay dirt of the season before winter shuts them down.

Shane uses a clever bush fix to get himself out of a jam in the remote outback, and the Gold Retrievers find a gold-rich quartz vein that could hold the motherlode.

The Poseidon Crew battle challenging terrain in the mountains of High Country Victoria, and promising signs could lead the Gold Devils to a million-dollar pay day.

The Poseidon Crew uncovers a new source of gold, Bridget and Levi North form a new partnership, and the Mackies turn to new technology in their quest for a massive gold deposit.

Matt and Damo weigh up the two offers they have received for their land at Scratchy Moo, and Donnie and Dennis strike new gold at Swiss Diggings but gold poachers attempt to raid their pit.

We use passengers' phone footage to reveal what happens when aircraft get hit by typhoons, hailstones, and lightning while learning how aircraft are able to withstand such weather types.

Jeff recreates an historic flight in search of vital clues before an archive discovery drops a bombshell.

Anthony learns to cut gems while Jodie goes underground to mine alone, the Richardsons dig deep at the old Rabbi Claim, and the Old Timers attempt to move a 500kg billie boulder out of a shaft wall.

The crew's luck runs out after an amazing haul as Bruce boldly decides to steer to Cape Carnage; just as the move starts to pay off, devastating news bring their success to a halt.