The Blacklighters call in an expert to examine a rare crab fossil that could be worth a fortune. Meanwhile, the Mooka Boys construct a remote wash plant, and the Bushmen battle their toughest foe yet - aging machinery threatening to shut them down.

The Cheals face their worst start in a decade as floodwaters swamp their mine. Meanwhile, the Opal Whisperers return to Queensland chasing rare Yowah nuts, and Slim Pickings race to move on before their ground - and their luck - runs out.

The Opal Whisperers have sold opal before they've even found it, putting Isaac and Kelly on edge, the Bushmen are facing mechanical troubles yet again and the Opalton Boulder Crew are back, with one mine underwater and another failing to deliver.

The Opalton Boulder Crew need to find a new source of boulder opal, the Mooka Boys are gambling their season on a rented digger to get through cap rock and Slim Pickings are trying to stay dry after floods washed out their mine site.

Brutal Outback temperatures cripple Cozza with severe heat stroke.

The Mooka Boys' last working machine suffers a catastrophic breakdown.

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. Disc S2 E13 4/10/20

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.

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 Mooka Boys may crack the rock layer at their Andamooka mine site just in time for Matt's baby, the Bushmen are facing a hostile neighbour and the Blacklighters are shutting down Opalzilla and betting everything on open-cut mining at the Servo Claim.

A miscalculation costs the Blacklighters thousands of dollars.

The Misfits are left to fend for themselves as mentor and financier ‘Opal’ Joe Kalmar's health takes a turn for the worse. The Bushmen are desperate to beat the 45-degree heat and salvage what's left of their season.

Lisa jeopardizes a sale with a bespoke jeweller designer. Rod goes toe to toe with ratters who stole opal and equipment from their mine.

The Bushmen take a big risk, trying out a new mining method deep below the ground, and injury slows down progress for The Bros and The Poms are struggling to find their first piece of opal.

In outback NSW, the worst storm in 20 years devastates the Bushmen's and Chris Cheal's mine; in Coober Pedy, the new team, the Blacklighters, need opal to re-establish

Joe and Tash fossick on the surface with hand tools after the Tarantos fails to bring up any color; the Opal Whisperers try constructing a noodler from scrap material while the Misfits narrowly avoid a collapse. Disc S5 E7 7/1/22

The Bushmen are blindsided by a catastrophic digger failure.

The Mooka Boys face the new season without Chief mechanic Leif Tanzer. Opal thieves have ransacked The Bushmen’s claim.

Slim Pickings' efforts are derailed by a slipped excavator track.

The Opal Lovers excavate old drives in search of red crystal opal. Mechanical problems are once again giving the Mooka Boys a headache. Slim Pickings strike a deal with a local mining family to process the waste dirt on their claim.

The Blacklighers are hit with a double dose of disaster.

The Cheals' dreams of expanding their Opal Empire are crushed.

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 Opal Whisperers are on a mission to unearth something worthwhile from their newly excavated 9-meter-deep trench. Aging machinery slows The Bushmen down. The Cheals are finally doubling the output from their Turner's Rush claim.

The Cheals are finally getting their second agitator up and running. The Blacklighters find impressive shell fossils in the face of their open cut mine. The Opal Whisperers are bringing in Kelly's partner Dan to help them break ground fast.

Machinery woes cause the Cheals to end their opal dreams and consider splitting ways. The Blacklighters move to a new site while Jaymin and JC work alone in claustrophobic tunnels. Disc S5 E8 7/8/22

The Boulder Boys try to reach a suspected 20-meter-deep opal level by draining floodwater; Rod Manning uses his wife's opal ring as collateral.

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.

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.

A violent summer storm sees The Young Guns race to save their only claim from a flood; meanwhile The McFarlanes must build a drill from spare parts.

The Boulder Boys, who are within reach of their $100,000 season target, chase old leads that could see them strike it rich and The Bushmen face a disaster underground.

Synopsis Bushmen Rod and Les risk their lives reopening a long-abandoned mine. New team the Young Guns go deep underground for the first time, hunting pineapple opal.

The Blacklighters have just one week left to strike opal before the blistering summer heat shuts them down. The Bushmen scramble to beat mechanical failures and rising temperatures. The Mooka Boys are reunited with their chief mechanic Leif Tanzer.

The Blacklighters' leader Mark is severely injured in a mining accident.

In Opalton, Boulder Boys Aaron and Ron's excavator has a close call.

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 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. Disc S6 E7 8/18/23

The Bushmen are desperate for a breakthrough after a run of bad luck. And the Young Guns are under financial strain and fall out over their new mine.

The Bushmen bust blower pipes and break diggers in their last chance to find opal this season. The team tackle two mines simultaneously and bring in a master opal cutter, hoping to transform rough stones into a $100,000 haul. The Misfits are flooded out of their open cut mine and return to Honey Hole with custom-made machinery; a giant chainsaw attached to a bobcat, desperate to turn a profit on the last dig of their season. Sofia and Isaac from the Opal Whisperers are threatened by a mine roof collapse as they struggle to extract opal from crumbling walls. Isaac attempts to make a profit by cutting and polishing their last opal find for the season, but risks destroying the stones in the process.

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.

Mark gets back on the heavy machinery that nearly killed him.

The Cheals take on their most dangerous dig ever. 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. Disc S6 E2 7/7/23

The Bushmen gamble the last of their cash on their first ever drill rig; the Cheals, desperate for a big opal find, face off against turbulent weather; the Mooka boys hunt for treasure in a scorpion-riddled mine. Disc S5 E13 8/5/22

A vicious storm threatens to end the Misfits season early. Plus, Issy attempts a new black-lighting technique to impress Opal Joe.

The Misfits discover they're losing precious opal, so they attempt a dangerous night dig with an excavator and ultraviolet blacklight

The Misfits return to their claim and find it's been soaked by torrential rain. The Opal Lovers dig an intimidatingly deep trench on their Digger's Gully claim. The Bushmen are down on their luck once again, with Jake absent from work with a broken jaw.

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.

Pete and Mick's mining operation grinds to a sudden halt, while Col's Crew heads underground. The Rookies are in despair until mentor John Dunstan steps in with a last-minute lifeline. Disc S1 E3 11/29/19

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. Disc S2 E3 1/31/20

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.

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 Misfits give it all they've got to prove their worth in the mine fields of South Australia. The Bishop loses his prized claim to competitors while the Tunnel Rats risk electrocution while operating their digger. Disc S5 E6 7/1/22

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.

Rookie Opal Hunters Daniel Becker and Justin Lang leave their families behind, risking it all to chase an opal fortune. Lucky enough to stake a claim on a legendary site known as Shell Patch Reserve, will their luck continue or come to a costly end? Disc S1 E1 11/15/19

Rookies Justin and Daniel tread a dangerous path underground in Coober Pedy, while father-and-daughter mining team Kelly and Al race to stake a claim in Lightning Ridge in an attempt to turn their fortunes around. Disc S1 E2 11/22/19

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.

Brand new team Digi Diggers bring brand new technology to the opal fields; Josiah and Lisa soon find themselves at breaking point. The Bushmen bring in an explosives expert to blast through the toughest rock in Grawin; plus, a brand new team brings cutting edge technology to the opal fields. Disc S6 E1 6/30/23

Scott and the Bishop cause an avalanche while trying to secure a wall. The Mooka Boys' bobcat suffers a critical failure and the Blacklighters dig into a rich and dangerous abandoned mine. Disc S5 E17 8/26/22

Daniel returns to Coober Pedy a new Dad, determined to find more white opal. Col raises the stakes, forking out thousands on an ancient and dangerous exploration rig, while the Opal Queen and her Dad battle the clock, the weather and a deadly cactus. Disc S1 E4 12/6/19

Handwritten clues left by Leif's late father help the Mooka Boys hunt for an abandoned mine; the Blacklighters battle choking dust on their dry claim and the Tarantos make emergency repairs on their machine. Disc S5 E11 7/15/22

The Rookies battle busted hoses and finally hit treasure, while Boulder Boys Aaron and Greg bring in an old monster about to self-destruct. At their wash plant, The Cooke Brothers race to beat the worst drought in a decade. Disc S2 E9 3/13/20

The Bushmen's drill rig loses a vital pin, forcing 74-year-old Les to undertake emergency repairs four meters in the air; the Digi Diggers flooded mine wall collapses as Josiah and Lisa attempt a new method of extracting Yowah nuts.

Desperate to move more rock, the Rookies get a lesson in the dangerous art of bomb-making. Al and Kelly's lease is up. while Col returns to action after a health scare. Disc S1 E6 12/20/19

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 gets flooded, forcing the pair to scour the outback for a new claim.

It's brother vs. brother as Peter and Mick Cooke go head-to-head in an epic scrapheap challenge to build a monster opal-hunting machine. Meanwhile, the Rookies are forced to start hunting at night. Disc S1 E5 12/13/19

The Bushmen's homemade hoist and bucket fail; 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.

The Bushmen's new rookie rushes into a deadly no-go zone while the Cheals attempt to revive their season; the Mooka Boys try a new technique to expose opal in colorless rock.

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. Disc S1 E7 1/3/20

The Bushmen are dismayed after taking over their new recruit's mine and finding it is both treacherous and light on opal; the Bishop turns to explosive means to move a wall; the Misfits work underground for the first time. Disc S5 E16 8/19/22

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 Digi Diggers need to explore new ground after mining opal too brittle to sell. The Bushmen discover their new claim has been dug out by opal thieves. Disc S6 E4 7/21/23

The mining season is almost over. To reach their target, Col's crew takes one last gamble by opal spotting from the air. The Cookes make one final attempt to save their opal machine and the Rookies get lucky. Disc S1 E8 1/10/20

The Opal Whisperers work underground together for the first time on a claim where million-dollar opal Angel of Yowah was discovered decades earlier. The Mooka Boys are forced to work Leif's late father's abandoned mine. Disc S6 E3 7/14/23

A new season opal hunting begins! The Rookies face potential disaster from the get go; for Col's Crew, their mining quest is derailed by a serious illness, and the Opal Queen brings in new muscle and new machines for an underground opal hunt. Disc S2 E1 1/17/20

The Bushmen are forced back into their deadly mine.

Justin ropes in a stranger in a mad dash to get his excavator across a busy highway. Opal Queen Kelly battles a new claim with a new partner. With Col struck down with illness, Aaron and Greg must push on without him. Disc S2 E7 2/28/20

The Opal Whisperers are forced to leave behind a rich opal seam in a mine on the verge of collapse; the Cheals are cut off from their mine by crippling floods. Disc S6 E5 8/4/23

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. Disc S5 E3 6/17/22

The Young Guns' hopes of breaking their drought get shattered after they accidentally smash a valuable gemstone; the Bishop loses Scotty underground; the Tarantos' hopes of exposing a rare opal pocket fall in jeopardy. Disc S5 E18 8/26/22

The Rookies battle their biggest claim yet, and each other; Col's Crew must bring out the old machines to hunt a new opal seam; and it's heating up as the Fire Crew race a fuel leak, chasing legendary red fire opal. Disc S2 E5 2/14/20

It's last chance for The Rookies' partnership. Col's crew are on a crash course as his reoccurring illness slows them down. The Cooke Brothers fight busted hoses and breakdowns in the quest to strike it rich. Disc S2 E6 2/21/20

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. Disc S6 E8 8/25/23