The world's toughest treasure hunters look for Opal in the Outback.
Rookies opal hunters risk it all to chase an opal fortune.
The rookies tread a dangerous path in Coober Pedy.
Pete and Mick's mining operation grinds to a sudden halt.
Opal Queen and her Dad battle the clock, the weather and a deadly cactus.
Peter and Mick face off in a challenge to build an opal-hunting machine.
The Rookies get a lesson in the dangerous art of bomb-making.
The Rookies risk cave-ins while the Bomb King is trapped in the blast zone.
Col's Crew attempts opal spotting from the air to reach their target.
A new season of opal hunting begins!
In the wild west, new team the Fire Crew are hunting fabled fire opal.
A new partner leads the Rookies on a wild goose chase underground.
Rookie Justin gambles thousands of dollars on buying his way out of trouble.
The Fire Crew races a fuel leak, chasing legendary red fire opal.
The Cooke Brothers fight busted hoses and breakdowns in their quest.
Rookie Justin makes a mad dash to get his excavator across a busy highway.
The Fire Crew face challenges in their search for blue fire opal.
The Rookies battle busted hoses and finally hit treasure.
Justin and Becky risk their lives underground, desperate for a find.
The Fire Crew struggles to battle their way back from a disastrous setback.
Rookie Justin tackles a deal that could make or break him.
It's the last chance for the opal hunting teams to turn a profit.
New team The Bushmen clash with opal thieves raiding one of their mines.
Bushmen Rod and Les risk their lives reopening a long abandoned mine.
Rookie team the Young Guns have a life-threatening near miss as they hunt legendary pineapple opal.
Rookie Sam runs out of air underground.
The Tunnel Rats race to protect their claim as rival miners close in.
New alliances are forged as the Boulder Boys hit pay dirt.
The Bushmen dodge rockfalls in a potentially deadly new mine.
In Sheepyards, NSW, The Bushmen are desperate for a breakthrough after a run of bad luck.
The Bushmen must brave an abandoned mine to remove a dead animal.
The Bushmen confront a miner who has illegally dug their claim.
The Tunnel Rats face an unexploded bomb and deadly gasses.
Aaron and Ron almost lose their $60,000 excavator on unstable ground.
In Lightning Ridge, an injury causes The Bros a serious setback.
The Young Guns' claim is ravaged by a vast dust storm.
Chris arrives in Lightning Ridge, desperate to make a fortune in opal.
The Tunnel Rats get the lifeline they desperately need.
The Young Guns face a tough decision on how to continue mining.
The Bushmen combat opal thieves on land and in the skies.
The Bushmen stay up late to drive out poachers from their mine.
The Young Guns risk it all to find rare pineapple opal. Meanwhile, the Boulder Boys take on deadly ground and the Bushmen face a race to the hospital.
Disaster strikes for the Young Guns as JC faces a major injury.
The Blacklighters face deadly taipans and a crippling excavator breakdown.
Days into mining, the Taranto family is suddenly struck down by illness.
The Tunnel Rats begin their season battling a vermin-infested mine.
The Cheals are hit with machinery failure when a digger busts underground.
The Misfits aim to prove themselves in mine fields of South Australia.
The Tarantos are forced to fossick on the surface with hand tools.
The Cheals' machinery woes put an end to their season and opal dreams.
The Bushmen's new rookie ignores protocols and rushes into a no-go zone.
The Bishop blasts some sturdy rock that's barring access to a rich seam.
Leif hunts for an abandoned mine using his late father's handwritten clues.
Greg Scully explores hidden tunnels on his massive claim, the Cathedral.
The Bushmen attempt drilling with a 50-year-old exploration rig.
The Young Guns rethink their hunt when they face impenetrable mine walls.
A busted jackhammer forces the Young Guns to undertake emergency repairs.
The Bushmen take over a new claim that proves to be equally treacherous.
The Bishop's struggle to make safe a wall ends up causing an avalanche.
The Tarantos' hopes of exposing a rare pocket of opal are in jeopardy.
The Misfits put their faith in an old bulldozer for the season's last dig.
The Bushmen risk their lives by digging beneath unsupported ceilings.
A brand-new team brings cutting edge technology to the opal fields.
The Cheals take on their most dangerous dig ever.
The Mooka Boys are forced to work Leif's late father's abandoned mine.
The Bushmen discover their new claim has been dug out by opal thieves.
The Cheals are cut off from their mine by crippling floods.
Gale-force winds threaten the Digi Diggers' dreams of an eco-mine.
The Mooka Boys may lose a potential investor due to their mining progress.
The Blacklighters discover opalised sea creatures in an ancient seabed.
The Blacklighters are almost buried alive while mining in unstable tunnels.
The Opal Whisperers partnership with veteran miner Uwe ends abruptly.
The Digi Diggers get lost exploring a terrifying abandoned mine.
Rod goes toe to toe with ratters who stole opal from their mine.
A vicious storm threatens to end the Misfits season early.
The Misfits attempt a dangerous night dig.
Sofia and Isaac get trapped at the bottom of their open cut mine.
The Mooka Boys are confronted by an irate miner.
The Bushmen's drill rig loses a vital pin.
The Blacklighters help a fellow miner on a dangerous night dig.
The Opal Whisperers are threatened by a mine roof collapse.
A waterlogged mine threatens to unravel The Digi Diggers' season.
Gross incompetence lands The Blacklighters in hot water with Mark's wife.
The Bushmen are blindsided by a catastrophic digger failure.
The Misfits struggle to find an opal king stone for an interstate buyer.
Slim Pickings' efforts are derailed by a slipped excavator track.
Sam smashes valuable opal with a jackhammer in the Bushmen's mine.
The Cheals' dreams of expanding their Opal Empire are crushed.
When Chris suffers a spider bite, Oscar and Luca take up the mining mantle.
The Blacklighters are hit with a double dose of disaster.
The Bushmen are forced back into their deadly mine.
Blacklighters Mark I'Anson and Paul Coon get boxed-in during their mission.
The Misfits are forced to use untested contraptions to find rainbow matrix.
Mark's inexperience with the dozer proves too much for Paul.
With the Lightning Ridge Opal Festival a day away, Cody cooks up a miracle.
The Cheals must unearth a rare green-orange gemstone for a potential buyer.
The Mooka Boys crane a vital DIY shelter across the Lunatic Opal Field.
Dan Measey takes a gamble on new but unproven opal-detecting AI technology.
The Mooka Boys' last working machine suffers a catastrophic breakdown.
The Blacklighters' leader Mark is severely injured in a mining accident.
Brutal Outback temperatures cripple Cozza with severe heat stroke.
A miscalculation costs The Blacklighters thousands of dollars.