After a class war on the Pacific desert island, the wealthy and less well-off teams go their separate ways and set up two camps at opposite ends of the same beach.

After three weeks on the island, the castaways are malnourished. Still living at opposite ends of the same beach, the wealthy and less well-off teams finally put their differences aside in a joint hunting expedition.

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Bear Grylls arrives on the island eager to get the stories behind the castaways' class war and their often dubious survival strategies.

In search of much-needed food, Barnes decides to risk strong currents and riptides on a journey by raft to a nearby island. But the voyage has disastrous consequences.

Facing their last week of isolation, the two camps decide to settle their class issues and battle the high seas, in a joint bid to raft to the neighbouring island. Can they bury their differences before Bear arrives.

After four weeks on the island, the group have collectively lost almost 30 stone. Can Aran and Jacqui make a killing with a dangerous caiman crocodile and provide food for all?

Bear Grylls examines how the two groups from different generations survived their five weeks as castaways. Was it the wisdom of age or the energy of youth that proved most valuable?

The islanders face mother nature at her most violent and brutal. Having endured a series of torrential downpours which have ravaged their campsite, unknown to them a hurricane is brewing 100 miles to the north.

Bears drops the 16 castaways in caiman-infested mangroves and deep water. The two teams soon meet, and it quickly becomes clear that the island isn't their biggest challenge, at the prospect of living together kickstarts a class war.

Bear Grylls visits the men at the end of their stay on the Island to explore how they coped and how the experience has affected them. Bear also reveals the secrets of how the show was made, with a unique behind-the-scenes look at managing the medical risks to maintaining camera kit in extreme conditions. Bear gets to see first-hand how the men have been living for the past four weeks. He tours the camp and reflects with the men on their personal approaches to surviving. When pushed to the very limit, what did they learn about themselves and each other?

The extreme conditions are taking their toll, with the women on the brink of starvation. Lauren, Beth and Belinda go pig hunting in the jungle.

Malnourished, exhausted and under pressure, the group turn on each other. Vic and Sam argue, while a fishing venture goes disastrously wrong for Will.

Bear meets the men and women who made it through six weeks on a Pacific island, to see how they coped battling hunger, thirst, and each other, in one of the biggest tests of their lives

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With the old and young living side by side, the islanders hope to hit their stride. But hunger and frayed tempers lead to bust-ups as the islanders turn on one of their own.

The young group's campsites turns into a swamp in the rain. They join up with the orders but immediately there's a row. Freddie kills a snake, and Kaggy goes on a turkey hunt.

After being dropped off on the island by Bear, the men are in danger of being overwhelmed by the tides. Battling through the dense undergrowth, the enormity of the task ahead dawns on them. As they try to get to know each other, daylight is quickly fading and tempers fray as doubts set in during the search for shelter for the night. With dehydration and hunger taking hold, the men are up against it. They need to find water and make fire or their time on the island will be over. The battle for survival is on.

It's been 48 hours since the men had a meal and hunger grips the group. The race is on to bring food back to camp before they become too weak to hunt. The men take greater and greater risks in the pursuit of vital calories, desperate to seek new ways to chase, trap and outsmart the island's elusive wildlife. Ryan lashes out in anger and Craig is left deflated. And then they come face to face with one of the island's most fearsome predators - the caiman crocodile.

With the men losing weight on a diet of just 300 calories a day, Ryan heads off alone in search of food. But without water, he soon finds himself lost and in imminent danger. With Ryan's actions now affecting the whole group, the men have a choice. Do they bring him back into the fold? Or do they cast him out?

Three weeks into their survival experience and the group is barely getting by on a meagre diet of snails and coconuts. Willing to take ever greater risks for food, Mike and Chris battle with dangerous tides, while tempers fray as it appears that not everyone is pulling their weight. Frustrated by their failure to find another caiman croc, a hunting party risks a trip to the treacherous mangroves at night.

The men swim ashore. Hammered by a succession of tropical storms, they must find a safe place away from deadly scorpions, snakes and caiman crocodile. And less than a week in, a fierce row breaks out.

Bear Grylls abandons 14 women on a desert island in the Pacific. As night falls on Day 1, they make camp in the jungle - at the mercy of deadly creatures and voracious sand flies.

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.