The world's toughest treasure hunters look for Opal in the Outback.
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.
