The first feelings of sickness have set in, but Afften still feels amibitous and wants to go exploring. Meanwhile, Zack doesn't want the team to over-exert themselves too early.

Puma and Julie must battle off a wild boar in the middle of the night in the jungles of Borneo.

Jamie has some trouble maintaining eye contact when meeting a naked Jake for the first time in Amazonia.

Puma and Julie meet each other for the first time, just before they embark on their 21 day naked survival challenge in Borneo.

Darrin captured a feast's worth of rat... and now he's taking playing with his food to a new disgusting level.

Think you’ve been #NakedAndAfraid? Sure, you could spot a nasty spider in the shower... but that’s nothing compared to the Naked And Afraid challenge!

Thousands oftiny army ants with painful fish hook jaws block Tim and Shannon’s path from every direction. Is there any way through?

How did Debbie and Bo beat boredom during their challenge? Creating an original infomercial! "Call 555-Jungle Fit!"

Shelter is one of the basic needs during the Naked And Afraid survival challenge. Paolo learns how to construct a basic shelter to fit two people.

The castaways spot a snake under a rock. Will it be their dinner, or will they be its next prey?

Using cordage to make nets can make all kinds of useful items, like a hammock or clothing. Watch Paolo learn the ropes!

Billy and Ky meet each other for the first time, just before their 21-day naked survival challenge in the swamps of Louisiana.

Zack makes good use of his selfie camera and lets out a goofy side during his last week of the survival challenge!

Billy and Ky are having a rough time between sleep deprivation, poor weather and relentless mosquitos, but Ky is getting tired of Billy's whining.

This is real. This is legit. And these castaways are running on empty.

Angela and Darrin sit down with Naked And Afraid Executive Producer Joseph Boyle to discuss 21 days of clashing personalities, animal invasions, and more.