Season 4

Parker takes the team Down Under to search for a gold-rich claim.

Tempted by the largest nuggets he's ever seen, Parker ventures deep into an underground mine. Tyler tracks down a trommel for the team and a local miner lets the team test a claim that yields more gold per yard than Parker's ever seen in the Yukon.

In the legendary Palmer goldfields, Parker and his team encounter a lucrative family-run mining operation and discover dirt far richer than anything they've seen in the Yukon. But convincing the family to lease him virgin ground will come at a price.

Hot, parched country and broken machinery place a toll on the team as pressure mounts to find gold. Tyler and Parker use detectors in search of gold beneath the cool waters of an outback oasis

In an area known to locals as "Hell's Crack," Parker and his team navigate a treacherous river, battle extreme heat and fight machine breakdowns to prospect ground so rich it could hold 100 million dollars worth of gold.

Hunting for a huge payday in Tyler's hometown of Sandstone, the team encounters a dangerous new method for extracting gold and Parker must decide if the risk is worth the reward.

Parker and the gang get a bang out of hard rock mining.

Tyler leads Parker to a promising hard rock mine where they detonate high explosives to gauge if the rewards of underground mining justify the risks.

Tyler researches available claims that will expire, and finds one that's up for grabs. The group race to stake a claim at the stroke of midnight.

As Parker's team takes stock of the gold they've found on their epic eight week expedition across Australia, Parker must decide on his own plans for a future, and how the right ground in the Outback might extend his mining season year-round.