Naked and Afraid: Castaways

Nine veterans are marooned on a bug-infested island with no tools or maps. They must scavenge wreckage to help them survive. Insect bites ravage all camps, and a large predator stalks one team. Bulent secures fire and chases a protein score.

Bulent scores an armadillo with his bare hands, but Na'im struggles to process the win using a fan blade. Andrew and Heather try to make fire, but the only sparks come from their conflict. Candice's team re-purposes debris to trap a protein source.

Ravaged by bugs, Heather must move camp -- but with no map, the grueling trek puts Andrew's challenge at risk. Bulent works to trap a wild pig, but his Alpha approach frustrates his team. Candice tries to turn the pelican carcass into a new food source.

Desperate and depleted, Heather, Andrew and Patrick scavenge debris to make fire. Candice secures a protein win. Bulent and Na'im butt heads when their pig snare fails and Kerra is caught in the middle. A survivalist is medically evacuated off the island.

Medics intervene when Justin tries fruit known as the Little Apple of Death. A clash about fire sparks into a raging fight between Kerra, Na'im and Bulent. Andrew and Heather question Patrick's hunt for a saltwater croc. A team splinters into two groups.

After an emotional reunion, Na'im vows to get Rachel to day 21. A group must migrate through a croc-infested swamp. Bulent finally comes nose-to-snout with the elusive pig he's been hunting. A survivalist is forced out of the challenge.

Bulent struggles with uninvited guests and scrambles to protect his huge meat win. A water migration tests Na'im, Kerra and Justin's raft -- and a mysterious fever puts their challenge at risk. The groups join forces to push north for extraction.

To be rescued, the remaining castaways must hike across jagged, volcanic rock and crumbling cliffs, build a large signal fire, and construct a raft from driftwood and debris. An explosive fight between Na'im and Patrick threatens extraction.