Jacqui and Andrew encounter a crocodile as they camp on the banks of the Palmer River; the Ferals travel to Jarman Island to mine on untouched land.

The Gold Retrievers chase off a late-night intruder; Shane and Russell venture out on a new expedition while the Poseidon Crew make a big decision.

A disastrous fire could ruin the Gold Timers' season before it begins; the Ferals are forced to launch a rescue mission when Rob goes missing.

Both Jacqui and Andrew end up stranded within the dangerous tropical wilderness of the Palmer River region; the Poseidon Crew find themselves faced with a critical meeting.

Winter storms ravage the Gold Retrievers' new $35,000 dry blower and could end their season; the pressure to find gold could tear the Ferals apart.

The Poseidon Crew are forced to hunt Victoria's frozen high country; the Gold Timers use the last of their savings so they are able to hire some big machinery.