The Peruvian Amazon's aggressive piranha, venomous fer de lance and even poisonous plants test 12 survivalists. XL rookies look to last 40 days while vets try to make 60 and become Legends. Four survivalists will be gone in the first four days.

Only six survivalists remain in the Amazon. Steven takes a huge risk when he raids a caiman nest for eggs. Dan and Waz join forces to snare the vultures circling their camp. Amber, Trish and Jen take on a huge project but tensions could tear them apart.