Outback Opal Hunters, Technical Difficulties

The worst storm in 20 years devastates the New South Wales' mines. Plus, new team the Blacklighters were forced to relocate 300km from their original mining town.

Pete and Sam start a risky project that could set them up for opal riches. Plus, Aaron has to mine his way out of debt after borrowing money to buy his late dad's house.

The Young Guns spend all of their savings on a hydraulic digger that causes more problems than it solves. Plus, the Blacklighters are dealt a dose of reality!

The Boulder Boys drain floodwater in pursuit of a suspected opal level. Rod Manning is under pressure after using his wife's favourite opal ring as collateral.

The Blacklighters must relocate Opalzilla after their claim runs dry of opal. And, the Cheals hope to hit the jackpot in a bizarre structure, the Z-fault.

The Bushmen's new claim turns dangerous, forcing Rod and Les to choose between riches, and safety. Plus, the Young Guns demolish their old mine.

Chris Cheal's dream of two mining teams struggles to launch. Meanwhile, the Blacklighters gamble on a new claim to break a month-long opal drought.

Hard ground at the Bushmen's claim causes damage to their digger. And, Pete, and Sam hunt for better opal dirt as their mega wash-plant' shows promise.'

The Tunnel Rats struggle working on unfamiliar ground. The Boulder Boys try to keep their jobs with a last-ditch hunt to satisfy their mining partners.

The Blacklighters run into devastating mechanical problems. And, the Opal Whisperers show there's big money to be made hunting a rare form of opal.

Desperate to add value to their opal, the Tunnel Rats take a crash course from the Opal Queen. And, the Young Guns finally get their machinery up, and running.

The Bushmen feel the aftershock of severe flooding as mine shafts start collapsing. A hazardous buildup of dirt forces the Tunnel Rats to create a makeshift dump truck.

The Young Guns battle to open up a crucial ventilation shaft. The Opal Whisperers gamble on a new claim, and the Boulder Boys are slowed down by ageing machinery.

A freak storm threatens a crucial truckload of paydirt for the Cheals. The Geran Gang deal with an unwelcome visitor, and the Bishop works with a new partner.

The Bishop uses explosives to try and break an opal drought. And, the Blacklighters achieve a long-held dream with the purchase of an excavator.

The Opal Whisperers take a huge gamble, switching claims, and partners late in the season. And, the Bushmen struggle to mine as Les is struck down by illness.

The Cheals rush the installation of a new wash plant. The Tunnel Rats take a gamble on a new claim, while the Blacklighters test out a new mining technique.

The Bishop buys the rights to a vast underground mine. The Bushmen are stopped by a disturbing discovery, and the Geran Gang receive devastating news.

The Blacklighters attempt a dangerous night-time dig. Heavy storms could destroy the Boulder Boys' season, while the Young Guns lose valuable opal.

It's the final week of the season and one team makes a huge discovery! The Bushmen hire a rookie miner, while the Opal Whisperers chase big money.