The older group land well, finding a place to set up camp and starting a fire with ease. The younger group, however, are lost in the jungle and not doing so great.
After days of hunger and bickering over cash, the end is in sight for the Islanders. But with £35k still to be discovered, will people share the money or keep it for themselves?
Three weeks into their survival experience, the group are barely getting by on a meagre diet of snails and coconuts; Mike and Chris battle with dangerous tides.
The men have barely slept or had a real meal since landing. And a bitter rivalry between the island's two builders, Paul and Andy, has turned into all-out war.
The young group's campsite turns into a swamp in the rain, when they join the olders, there's a row; Freddie kills a snake; Kaggy goes on a wild turkey hunt.
With the men losing weight on a diet of just 300 calories a day, Ryan heads off alone in search of food, and finds himself lost and in imminent danger.