Outback Opal Hunters, Cave-Ins and Explosions

Rookie Opal Hunters leave their families behind, risking it all to chase an opal fortune on a legendary site known as Shell Patch Reserve.

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.

Daniel returns to Coober Pedy a new Dad, Col raises the stakes by 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.

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.

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.

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 mining season is almost over so to reach their target, Col's crew takes one last gamble by opal spotting from the air.