Rookie Opal Hunters Dan and Justin leave their families behind, risking all to chase an opal fortune.
Justin and Dan tread a dangerous path deep underground, chasing a seam of opal in the supporting walls of the mine. The closer they get, the more danger they put themselves in.
Pete and Mick's mining operation grinds to a sudden halt, while Col's Crew head underground.
Crews of fearless opal miners are on a mission to unearth a fortune in some of Australia's harshest and remote landscapes.
Crews of fearless opal miners are on a mission to unearth a fortune in some of Australia's harshest and remote landscapes.
Desperate to move more rock, the Rookies get a lesson in the dangerous art of bomb making.
With the end of the season fast approaching, the Rookies risk cave-ins at their abandoned mine claim; deep underground, Bomb King George is trapped in the blast zone.
The world's toughest treasure hunters push their bodies and bank accounts to the limit on a quest to strike it rich, hunting Opal in the harsh Australian outback.
With partner Dan stuck at home, Justin starts the new mining season alone. He is dealt a huge blow as he discovers their rich underground mine has been pegged by another miner.
Rookie Justin has cracks in his equipment and his relationships. Col's Crew are a man down and on their last drum of fuel. The Fire Crew are on a wild goose chase hunting a bounty of fabled fire opal.
For the rookies, there's tension as a new partner leads them on a wild-goose chase underground. Plus, the Cooke brothers' season is off to a bad and dangerous start.
Rookie Justin gambles thousands of dollars on buying his way out of trouble. Opal queen Kelly needs a big find underground or risks going broke. Aaron and Greg's Dragonfly claim might finally pay off.
The rookies' relationship is on the rocks as they battle their biggest claim yet, as well as each other. With two partners working at different speeds, there's a fight brewing.
In White Cliffs, NSW, The Young Guns' claim is ravaged by a vast outback dust storm. Meanwhile The Boulder Boys, who are within reach of their $100,000 season target, chase old leads that could see them strike it rich.
A violent summer storm sees The Young Guns race to save their only claim from a flood. Former trucker Chris Cheal arrives in Lightning Ridge, desperate to make a fortune after drought ruined his trucking business.
Justin recruits fiancee Becky to save him from financial ruin. The Fire Crew face deadly reptiles and a snapped suspension in search of blue fire opal. The Cooke Brothers go 21 metres under.
The Rookies battle busted hoses and finally hit treasure, and Boulder Boys Aaron and Greg bring in an old monster about to self-destruct.
The Rookies, Justin and Becky, risk their lives underground, desperate for a find. Meanwhile opal-hunting legend Col Duff is back, hunting long-forgotten treasure.
The Fire Crew's season rests on a knife-edge as they battle their way back from a disastrous setback. The Opal Queen battles rock-hard walls alone, desperate to find opal.
Rookie Justin tackles a deal that could make or break him. The Boulder Boys race to save their claim from a monsoon flood, while the Cooke Brothers finally hit pay dirt.
It's the end of the mining season and the last chance for the teams. The Rookies gamble their hopes on one last haul of opal, and the Opal Queen makes a final desperate dig.
New team the Bushmen clash with opal thieves raiding one of their mines. The Cookes hack an old digging machine, while the Fire Crew hunt for a new deposit of rare black opal.
Bushmen Rod and Les risk their lives re-opening a long-abandoned mine. New team the Young Guns goes deep underground for the first time, hunting pineapple opal.
Rookie team the Young Guns have a life-threatening moment hunting legendary pineapple opal. The Cooke Bros scramble to hunt on another miner's claim for a share of the find.
New mining team The Tunnel Rats blasts its way to a fortune and solo prospector Col Duff gets stranded deep in the Queensland outback. Rookie Sam runs out of air underground.
Old partners Aaron Grotjahn and Col Duff reunite on a prospecting mission. Meanwhile, the Tunnel Rats race to protect their claim as rival miners close in.
The Bushmen risk their lives in the fight to get their one-tonne digger down a twenty-metre deep mine shaft. New alliances are forged as the Boulder Boys hit pay dirt and the Young Guns gamble everything on a camp and lease of their own.
The Bushmen dodge rockfalls in a potentially deadly new mine. The Fire Crew closes in on a new deposit of precious black opal, while the Boulder Boys struggle to drain their opal pit.
In Sheepyards, the Bushmen are desperate for a breakthrough after a run of bad luck. In White Cliffs, the Young Guns are under financial strain and fall out over their new mine.
In Mintabie, South Australia, The Tunnel Rats are under extra pressure as rival miners close in on their claim. In Sheepyards, NSW, The Bushmen must brave an abandoned mine to remove a dead animal. Meanwhile, rookie prospectors The Poms seek a prize opal to kickstart their mining career.
The Bushmen confront a miner who has illegally dug their claim. The Young Guns must find a new source of opal when poisonous fumes force them to abandon their mine.
The Tunnel Rats face an unexploded bomb and deadly gasses. The Bros must wrestle their equipment into a new mine, while The Poms go underground for the very first time.
Boulder Boys Aaron and Ron almost lose their $60,000 excavator. The McFarlanes race a storm in Lightning Ridge, and The Tunnel Rats family ties are torn apart.
The Bushmen gamble on a dangerous mining method deep below ground. An injury causes The Bros a serious setback, and The Poms struggle to find their first piece of opal.
In White Cliffs, NSW, The Young Guns' claim is ravaged by a vast outback dust storm. Meanwhile The Boulder Boys, who are within reach of their $100,000 season target, chase old leads that could see them strike it rich.
A violent summer storm sees The Young Guns race to save their only claim from a flood. Former trucker Chris Cheal arrives in Lightning Ridge, desperate to make a fortune after drought ruined his trucking business.
Tunnel Rats Bayden Pearse and Leese Grobe get the lifeline they desperately need. Meanwhile, Pete Cooke and Sam Westra are on the last dig of their season, and 20-year-old Sam must decide whether to quit opal mining for good.
After an injury to one of their members, the Young Guns face a tough decision on how to continue mining. Meanwhile, the Cheals break through to a long-lost underground mine.
The Bushmen combat opal thieves on land and in the skies. Plus, Lightning Ridge's Gavan McFarlane puts his son to work and the Boulder Boys dig their way out of trouble.
The Bushmen stay up late to drive out poachers from their mine. Col Duff reunites with Greg Geran in one last push to find opal before the summer heat gets too much.
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.
In outback NSW, the worst storm in 20 years devastates the Bushmen's and Chris Cheal's mine, while in Coober Pedy, a new team the Blacklighters need opal to re-establish.
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 Cheals plan to extract opal hits a wall. The blacklighters continue their search for surface opal to pay for their $15,000 Opalzilla.
Tensions escalate for new team the Opal Whisperers and an incident for the tunnel rats causes one member to down tools and take a crash course in opal cutting.
Dangerous storm damage at Rods Camp requires an urgent recovery operation. A hazardous build up of dirt in the Tunnel Rats mine brings them to a halt.
The Young Guns tackle their new mine with the lack of air causing a headache. Pete and Sam have one last chance to find opal to keep their operation alive.
Desperate for a payday The Cheals race against the storm. New team The Geran Gang protect their field from unwelcome visitors.
The Bishop runs out of luck in his open-cut claim and resorts to explosives. The Young guns battle to get their new mine running. Pressure mounts for the Blacklighters as they handle mechanical failures.
The Geran gang are running out of time and push their gear to the limit. In Queensland storms threaten to scuttle efforts to find opal and a mystery illness strikes Les.
The Cheals rush the installation of a new wash plant after a breakdown halves their opal production; the Blacklighters test a new team member.
The end of the season nears causing The Bishop to take a leap of faith. The bushmen seek out opal to fulfil their contract with their partners. In Queensland the Geran gang receive chilling news that changes everything.
Extreme temperatures force the Blacklighters to attempt potentially dangerous mining at night. Disaster strikes the Young Guns when thousands of dollars worth of opal goes missing.
It’s the last week of the season and difficult conditions force The Bushmen to enlist a rookie miner. The Cheals suffer setbacks above and below ground.
Australia's toughest treasure hunters are back, taking on the extreme hardship of the Australian outback in pursuit of opal riches.
The Blacklighters break their excavator while trying to break fresh ground; the Young Guns enter a dangerous mine in an attempt to find pineapple opal; the Opal Whisperers work their own claim for the first time to hunt for cathedral opal.
Rory and Oscar are forced to operate their dad's 20-tonne drill rig for the first time. The Tarantos are struck down by sickness as they struggle to find Opals on their massive claim, and the Bushmen build a dangerous mine roof.
The Tunnel Rats risk their lives to get a massive digger under the ground, hoping it will pay off. Meanwhile, the Blacklighters are amazed to unearth the largest piece of opal they have ever found.
Brand new team Digi Diggers bring brand new technology to the opal fields; Josiah and Lisa soon find themselves at breaking point.
The Bushmen trial a rookie miner, Ben, to operate their drill to find new opal bearing ground, but he falls short at the first challenge.
The Opal Whisperers work underground together for the first time on a legendary claim where the million-dollar opal The Angel of Yowah was found decades earlier.
The Digi Diggers, Josiah and Lisa, need to explore new ground after mining opal too brittle to sell; they discover their entire claim is at risk of being flooded.
The Cheals, Chris, and son's Rory and Oscar are cut off from their mine by crippling floods. Oscar bogs their truck in treacherous mud attempting to reach the claim.
Gale-force winds threaten the Digi Diggers' dreams of an eco-mine; the Bushmen discover dangerous old workings while clearing out their new mine; Angel and Joe's search to join the Misfits threatens to tear the team apart.
The Mooka Boys may lose a potential investor due to their little mining progress, and disaster strikes for the Opal Whisperers when Sofia's hoist fails.
The Blacklighters discover opalised sea creatures in an ancient seabed; the Cheals close in on their biggest opal haul ever, but all is not as it seems.
Mooka Boys brothers Matt and Cozza topple their excavator while attempting to reach a new mine on a treacherous opal field; the Blacklighters are almost buried alive while mining opal in unstable tunnels.
A busted dirt hauling bogger bucket threatens the Cheals' ambitions for mammoth back-to-back opal hauls; the Opal Whisperers partnership with veteran miner Uwe ends abruptly; Angel attempts her first opal sale at the Lightning Ridge Opal Festival.
The broke Bushmen are forced to trade opal to get a shaft drilled on a new claim; the Mooka Boys attempt to revive a dump truck and their opal processing plant with disastrous results; the Digi Diggers get lost exploring a terrifying abandoned mine.
The Digi Diggers get their solar plant installed, but the power hungry mine triggers a total system shutdown; Lisa jeopardizes a sale with a bespoke jeweler designer; Rod goes toe to toe with ratters who stole opal and equipment from their mine.
A vicious storm threatens to end the Misfits' season early; Issy attempts a new black-lighting technique to impress Opal Joe; the Digi Diggers mine is flooded, forcing the pair to scour the Outback for a new claim.
The Blacklighters must work a new claim using an ancient opal processing plant. The Misfits discover they're losing precious opal, so they attempt a night dig.
The Bushmen’s home-made hoist and bucket fails and Rod is forced to down tools with busted ribs. Sofia and Isaac, from The Opal Whisperers, get trapped at the bottom of their open cut mine in sweltering temperatures.
Isaac from the Opal Whisperers works an abandoned, dangerous mine, and partners up with a veteran Yowah miner. The Mooka Boys are confronted by an irate miner as they peg a claim too close to his mine
The Bushmen’s drill rig loses a vital pin, forcing 74-year old Les to undertake emergency repairs four metres in the air. The Digi Diggers flooded mine wall collapses as Josiah and Lisa attempt a new method of extracting Yowah nuts.
The Bushmen struggle to locate the source of water flooding their mine. The Misfits are forced to work Issy’s mine Honey Hole as they wait for bulldozer repairs. The Blacklighters are forced to help a fellow miner on a dangerous night dig.
The Bushmen bring in a master opal cutter, hoping to transform rough stones into a $100,000 haul. Sofia and Isaac from the Opal Whisperers are threatened by a mine roof collapse as they struggle to extract opal from crumbling walls.
Sweltering temperatures and a waterlogged mine threaten to unravel The Digi Diggers' season-long dream. The Cheals' starter motor fails on their wash plant as they race to process the last opal dirt for the season.
The Bushmen put their lives on the line in the most dangerous mine they have ever worked. Plus, the Cheal's first dig of the season is brought to a grinding halt.