Six teams travel across Australia's unique and vast locations to find the country's most exclusive and iconic gemstones, especially the opal.
Boulder Boys Aaron and Ron almost lose their $60,000 excavator on unstable ground. Off-the-grid opal hunting family The McFarlanes race a storm in Lightning Ridge. S3, Ep12
Desperate for a find, the Bushmen gamble on a dangerous mining method deep below ground. In Lightning Ridge an injury causes The Bros a serious setback. S3, Ep13
The Young Guns' claim is ravaged by a vast dust storm. Meanwhile, the Boulder Boys chase old leads and the Bushmen face a disaster fifteen metres underground. S3, Ep14
A summer storm sees the Young Guns race to save their only claim from a flood. And, former trucker Chris arrives in Lightning Ridge, desperate to make a fortune in opal. S3, Ep15
The Tunnel Rats get the lifeline they desperately need. Meanwhile, veteran prospector Col Duff is preparing for a week-long opal hunt far from civilisation. S3, Ep16
After an injury to one of their members, the Young Guns face a tough decision on how to continue mining. Plus, the Cheals break through to a long-lost underground mine. S3, Ep17
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. S3, Ep18
The Bushmen stay up late to drive out poachers from their mine. Plus, Col Duff reunites with Greg in one last push to find opal before the summer heat gets too much. S3, Ep19
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. S3, Ep20