The Dirt Dogs could deliver their biggest gold ever, while rookie crew The Scrappers must overcome a family feud before they even pull one nugget from the ground.

Thieves are running wild as The Dirt dogs make a high-speed pursuit of poachers, while Rick Fishers is robbed and left stranded in the remote bush.

The Dirt Dogs abandon a barren gold ground in a bid to salvage their million-dollar season, while the Gold Gypsies unearth a $6000 gold bonanza.

The Dirt Dogs hunt for an elusive gold reef and unearth a mother lode of calcrete-covered gold, while The Scrappers have their first weigh-in after eight months of painstaking effort.

One of the gold hunters unearths a monster nugget that dramatically transforms their season.

Vern and Marko reach a crisis point; Rick takes to the air in a crucial race to peg a new lease.

The Dirt Dogs are sabotaged after Marko's shocking departure, but they fight back with big tech and even bigger gold.

Scorching 45-degree desert heat pushes Rick Fishers to his limit; Alex risks facing more snakes in his hunt for gold-rich pay dirt.

The Dirt Dogs and Gold Gypsies fight back against the rising number of gold thieves, while the Scrappers' wash plant comes to a screaming halt.

The Mahoneys spend thousands on a loader to do a final push at their 8-Mile lease, while Alex is convinced there's big gold down deep at Relief Creek.

With the season just weeks away from ending, the Dirt Dogs are struggling to hunt out their final $350,000 in gold.

With the end of the season just days away, the Dirt Dogs need to deliver $233,000 in gold to reach their target; Alex faces a shock resignation.