Bear Grylls takes eight celebrities into the depths of one of the most unforgiving Central American rainforests, where they will be competing in a 12-day survival mission.

Eight celebrities embark on a 12-day expedition in the rainforest of Costa Rica, where they must learn to navigate difficult terrain, build shelters, make fire and eat the food that nature provides. From abseiling down ferocious waterfalls to crossing perilous rapids, the stars face a range of challenges and Bear himself eliminates one of them each week, leaving three in the final.