Kellie and Henri face poachers and a crippling dry streak, and the 'Dirt Dogs' must break new ground to stay in business. Plus, the 'Gold Gypsies' seek out precious reef gold.

The ‘Dirt Dogs' fightback comes down to a make or break clean-up, Chris and Greg surf a wave of reef gold, and Henri and Kellie risk life and limb to stay on a hot streak.

Torrential rain threatens to drown out the season for the Dirt Dogs. Remote prospectors Henri and Kellie hit a hot streak, while the Gold Gypsies strike a once-in-a- lifetime find.

As ‘Dirt Dogs' Vern and Leon are forced to uproot their operation, ‘Gold Gypsies' Chris and Greg face a huge decision. Remote prospectors Henri and Kelli strike salt lake gold.

Mechanical problems and a high-stakes gamble threaten to derail the gold season for both the Dirt Dogs and the Gold Gypsies.

In the final week of gold season, the Dirt Dogs gamble big to hit their tally. Kellie and Henri mount a last-chance hunt for big nuggets, and the Gold Gypsies pursue their goal.

In Western Australia's legendary goldfields, three teams of hardcore gold prospectors risk their dreams and futures as they pursue the ultimate golden reward.

Kellie and Henri encounter breakdowns and bandits, and a failed plan sees the 'Gold Gypsies' run out of time and options. The 'Dirt Dogs' uncover a huge find - but there's a catch.