The team follows the failed route of a 1982 news team into the Valley of the Rocks, and Don and Taylor inspect possible Spanish mining artefacts.

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

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.

As the wet season looms, the bull catchers race to make money; unflappable Kurt finally meets an obstacle he can't sidestep when his buyer falls through, and Clarry is nearly ready for retirement.

As the wet season looms, the bull catchers race to make money; unflappable Kurt finally meets an obstacle he can't sidestep when his buyer falls through, and Clarry is nearly ready for retirement.

Avery discovers a 1942 Harley-Davidson buried among Mike's junk while Mike helps Cassidy's off-road dreams come true.

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.

We discover how some of our greatest railways have challenged engineering's greatest minds in their efforts to conquer our 'waterworlds'.

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.

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.

Marcus hits his biggest gold of the season, the Dust Devils battle machine breakdowns and impure gold, and the Gold Timers' luck is finally on the up.

Ken and Guillaume fight a flooding creek, Karl is still waiting to get his sluice set up, and Big Al goes after the 'smart' gold.

Irv finds the holy grail of VW: the Beetle. It's just miles from his garage, so he makes it his mission to breathe new life into this 75-year-old cable-break classic.

After starting their season in red-hot form, remote prospectors Henri and Kellie take to Lake Cowan armed with a new piece of technology, but their plans to unearth a fortune face a severe test.

After tracking down a rare gold reef formation, the Dirt Dogs look set to turn a major find into a massive one, but as hopes of a vast gold tally rise, troubles throw their season's plans into chaos.

Craig and the crew are back at home, Kylee discovers that Badger's 26km logging road is no less treacherous than Gollen, and heavy snow in Celista, British Columbia buries Brent's plans.

Lobster season explodes to life with no quotas and no second chances, William pays the price for being unprepared, and Adam and Steven scramble to finish their crab quotas.

Big Al races to open up virgin ground, but his operation grinds to a halt when Hiro's Curse returns.

The Poseidon Crew are forced back onto an old lease in flooded Victoria, Shane and Kate call in help in Western Australia, and Jacqui and Andrew get separated at night in far north Queensland.

Disaster strikes the Gold Devils with just weeks left in their season, the Gold Retrievers put their gold dreams on the line, and Vince, Bibi and Murray take a big risk investing in new machinery.

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.

While on the search for billions of dollars in gold, historian Tanya uncovers a shocking new theory that flips the hunt to the east.

Being released from prison, Michał tries to get back to fighting, but he struggles with his health. Despite this, he faces a rival from 10 years ago. Meanwhile, his family is affected by a tragedy.

Ray and Elley face a gruelling trek to a neighboring claim site; when Erik, Kimberley and Tiffany rebel after their attempt to set the sluice up is an epic fail, Erik challenges Ray's leadership.

With Greenland's harsh winter fast approaching, Ray and his team are halfway through their 12-week mining season... and it's now that a crucial weigh-in has surprising results.

Crippling permit delays force the Poseidon Crew in search of bush gold to survive, the Gold Gypsies discover a bounty of fine gold, and the Dust Devils' gamble ends in a huge mechanical failure.

Shane and Russell rebuild a wet plant in a bid to rescue their season, the Victoria Diggers are forced to dig a neighbour's lease, and brothers Marcus and Linden are stranded in the Outback.