16 British reality TV stars compete against each other in a series of harsh trials. There's a £100,000 prize for the winner and a place in the World Championship.
3.8 / 5
Episode 1
Celebrities compete in athletic challenges for a share of a £100,000 prize fund.
Episode 2
Alliances are formed in a test of endurance and memory.
Episode 3
Model and reality star Arabella Chi faces a dilemma: will she stay loyal to an old friend?
Episode 4
One player questions if her friendship is worth risking £50,000 for?
Episode 5
Host Mark Wright presides over the Final, as the remaining Challengers race across the Argentinian countryside for their share of £100,000, and to be crowned Challenge UK Champion.
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