01. Episode 1
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.
02. Episode 2
The Bushmen face off against a miner who has illegally dug on their claim.
03. Episode 3
The Tunnel Rats deal with an unexploded bomb and hazardous gases; The Bros attempt to fit their equipment into a new mine; The Poms make their first trip underground.
04. Episode 4
In Opalton, Boulder Boys Aaron and Ron's excavator has a close call.
05. Episode 5
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.
06. Episode 6
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.
07. Episode 7
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.
08. Episode 8
Tunnel Rats Bayden Pearse and Leese Grobe get the lifeline they desperately need. Meanwhile, Pete Cooke and Sam Westra are on the last dig of their season, and 20-year-old Sam must decide whether to quit opal mining for good.
09. Episode 9
The Australian outback's wildest treasure hunters face even bigger challenges in their quest to strike it rich, as they seek the legendary queen of gems: the opal.
10. Episode 10
Following six teams across Australia as they search for the country's most iconic gemstone.
11. Episode 11
No details
12. Episode 12
No details