With day 60 extraction looming, a hunt goes awry and leads to an all-out jungle search for wounded prey. The team's large-scale raft build could be a crushing waste of time and calories. A survivalist decides this will be their last challenge.

Pushing past day 50, the final six survivalists come together as one group but must scramble to expand their shelter. The Amazon unleashes a bee swarm and a torrential storm. A knife accident threatens a survivalist's challenge.

Desperate for food ahead of their Day 40 extraction, Jen pushes Trish to hunt new territory. Dan, Waz and Matt corner one of the Amazon's apex predators, a six-foot caiman. When Trish and Amber's paths cross again, tensions re-surface.

With Amber gone, Trish and Jen must fend for themselves. Amber joins forces with Steven and EJ. A distant fishing hole means a punishing journey for their next meal. After a huge food win, Dan and Waz make a high-risk choice.

Trish and Amber hit a breaking point while Jeff continues to struggle to keep down food. Matt, Dan and Waz cross piranha-filled waters, EJ and Steven's camp is stalked by a jaguar and one survivalist goes solo.

Desperate for food, EJ creates poison blow darts while Matt embarks on a an ambitious dock build. Jeff adds tension to Amber's team.

Three elite survivalists join the challenge. Dan and Waz take on dangerous prey to get a big score but it could mean serious injury. Amber battles an aggressive caiman to feed her team. Steven's main source of food turns sour.

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.

Bacteria brings a survivalist to their knees; a painful foot burn has a veteran struggling; conflicting survival priorities spark tension for Amber and Trish.

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.

The Peruvian Amazon. A rich, beautiful rainforest where thousands of species of animals and plants want to kill you. Now, meet the 12 survivalists getting dropped in there to begin a new XL challenge. Some going for 40-days, others attempting 60-day legend status.