The two teams are now three days into their challenge and are forced to appoint a leader in the hope of kick-starting their bridge builds. One member of each team is also given the chance to be a mole in the opposite team.

AJ Odudu hosts the £200k contest with Aldo Kane. It's day five, and the teams finally discover that they're not alone... Meanwhile, some of the contestants face a moral dilemma.

16 strangers have flown to an uninhabited island in Vietnam. Separated into two teams of eight, they attempt to build a 1000-foot bridge across the South China Sea to another island, in just 12 days, to try to win £200k.

AJ Odudu hosts the £200k contest with Aldo Kane. The teams compete in an epic tug-of-war, in a bid to win 100 feet of bridge, as the rivals come face-to-face for the first time.

Newcomers Ross and Susie must evict a teammate. As hunger and fatigue take hold, tempers fray. A flare brings the promise of a luxury banquet - but at what cost?

The group are shocked by former teammate Luke's actions. With the odds stacked against them, can they pull together, finish the bridge and claim their prize?

The £100k reality challenge continues. Luke and Maura return to camp with a secret. Zac's leadership is in doubt as the team fall behind schedule. Two arrivals face a terrible choice.

Twelve strangers, including Trisha Goddard's daughter and a plumber, face an epic challenge: to build an 850-foot bridge in 20 days, to reach an island where a £100,000 prize awaits.