Under the Water. The Bushmen have grand plans to drill a new shaft to connect some old underground drives. Slim Pickings' entire operation is shut down when their 60-year-old tractor breaks down.
Robot Dog. The Mooka Boys are at the end of their tether. Sam Mehan calls in some tech gurus to map out the treacherous parts of their underground mine with the help of “Spot” the robot dog.
The Creature Below. The Bushmen are greeted by a fierce creature in their underground mine. The Opal Lovers enlist the help of some friendly backpackers.
Unidentified Fluorescing Opal. The Misfits receive a tongue lashing from 'Opal' Joe Kalmar for not producing enough opal. The Cheals' giant prospecting drill is crippled by mud.
Dustbowl Blues. It's a race against time for Slim Pickings as the waste dirt creates a huge dust storm. The Bushmen's bad luck continues when Rod and Les near-destroy Sam's hoist.
Miner vs Machine. Slim Pickings are a man down when Lee shocks Roger with an unexpected injury. Plagued again by machinery failure the Blacklighters are forced to a grinding halt.
Instant Noodles. A road trip to Diggers Gully pays off for the Opal Lovers. Taking a gamble on their Turners Rush claim doesn’t seem to be paying off for the Cheals.
Get Ready to Rumble. When the excavator breaks down, Mark comes up with a solution that ends up costing a small fortune. Lee and Roger's old dry rumbler refuses to start.