Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
Oscar sends The Cheals on an important mission to unearth a rare green-orange gemstone for a potential buyer. The Mooka Boys get a motor problem. S7/Ep14
The Bushmen dig a newly drilled emergency shaft. The Mooka Boys are on a dangerous mission to crane a vital DIY shelter across the Lunatic Opal Field. S7/Ep15
Mining on his own and desperate for cash, Dan Measey gambles on new but unproven opal-detecting AI technology. Slim Pickings are forced to relocate. S7/Ep16
With Dan stuck at home, Justin starts the new mining season alone. He is dealt a huge blow when their rich underground mine has been pegged by another miner. S2/Ep1
Justin's excavator has an expensive oil leak. Plus, Col's crew are a man down and the Fire Crew are on a wild goose chase hunting a bounty of fabled fire opal. S2/Ep2
The Bushmen take over their new recruit's mine, but the new claim proves equally treacherous with little sign of opal. Bishop resorts to explosives to move a wall. S5/Ep16
The Bishop and Scotty struggle to make safe a wall and end up causing an avalanche. Meanwhile, the Mooka Boys' bobcat is hit with critical failure. S5/Ep17
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. S2/Ep3
Justin gambles thousands of dollars as he is struggling this season. Kelly is in desperate need for a big find underground and Aaron and Greg's claim might pay off. S2/Ep4
The Bishop loses his partner Scotty deep underground. The Tarantos' hopes of exposing a rare pocket of opal are in jeopardy and Young Guns make a big mistake. S5/Ep18
The Misfits put their faith in an ancient bulldozer for the season's last dig. Meanwhile, infighting stalls efforts to unearth the Opal Whisperers' haul. S5/Ep19
The Rookies' relationship is on the rocks as they battle their biggest claim yet. With two partners working at different speeds, there's a fight brewing. S2/Ep5
It's the last chance for the Rookies' partnership. Meanwhile, the Cooke brothers fight busted hoses and breakdowns in their quest to strike it rich. S2/Ep6
The Bushmen risk their lives digging where opal thieves removed the ceiling supports. Meanwhile, the Blacklighters switch to dangerous night mining. S5/Ep20
The Bushmen bring in an explosives expert to blast through the toughest rock in Grawin. A brand-new team brings cutting edge technology to the opal fields. S6/Ep1
Rookie Justin struggles to get his 20-tonne excavator across an extremely busy highway. Plus, Opal Queen Kelly tackles a new challenge with a new partner. S2/Ep7
Justin recruits his fiancé after admitting he's facing financial disaster. Plus, the Fire Crew face deadly snakes and the Cooke Brothers go down deep. S2/Ep8
The Cheals take on their most dangerous dig ever. The Bushmen trial a rookie to operate their exploration drill, but it doesn't go as smoothly as they'd hoped. S6/Ep2
The Opal Whisperers work underground together for the first time on a legendary claim. The Mooka Boys are forced to work Leif's late father's abandoned mine. S6/Ep3
The Rookies battle busted hoses and finally hit treasure. Meanwhile, at their wash plant, the Cooke Brothers race to beat the worst drought in a decade. S2/Ep9
Justin and Becky risk their lives underground. Plus, opal hunting legend Col Duff is back, hunting long forgotten treasure. S2/Ep10
The Digi Diggers need to explore new ground after mining opal too brittle to sell. The Bushmen find their new claim has been dug out by opal thieves. S6/Ep4
The Opal Whispers 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. S6/Ep5
The Mooka Boys are finally ready to start tunnelling toward black opal glory, until their last working machine suffers a catastrophic breakdown. S7/Ep17