Adventure Gold Diggers, Episode 4

Adrenaline-fuelled prospecting and mining teams search for gold in some of the most remote and inhospitable areas of Australia.

The Clermont diggers face pressure to repay $15,000 worth of gold, or risk losing their mine. Meanwhile, the Mineshaft Hunters enter an abandoned gold mine.

Businessman and rookie miner Dennis gambles $500,000 on a 62-acre gold mine, while Leigh asks two British backpackers for a lesson in metal detecting.

Gold mining expert Ian Holland takes on 25-year-old rookie prospector April as an apprentice, while rookie miner Dennis tries to get started with the gold processing plant.

Donnie confronts poachers who seem to be taking gold from his property, while Dennis and his team initiate an unexpected raid.

The Clermont Diggers come up with a new plan to boost their daily gold output, but they have to contend with the radical strategy's flaws.

It's D-Day for the Clermont Diggers - they have just 48 hours to repay investor Dennis. Meanwhile, Rob's gold haul is washed down the river.