You met these 12 survivalists during their Naked And Afraid challenges. Watch their journey as they return one more time for 40-Days of Naked And Afraid XL.

From the masters of survival comes the most extreme challenge yet: 40 days, 12 men and women. This is the ultimate test of human endurance.

Hungry? Follow the guys as they hunt for an electric eel.

When you're spending 40 days in the wild, you will be amazed what one must do in order to find protection from the sun. Alana and Dani show us what a mud bath really means.

In need of heat, Eva and Laura use their survival skills in order to start a fire.

After finding himself partnered with Luke and Honora, Chris becomes concerned that Honora was not able to complete her initial Naked And Afraid challenge.

Dani J. wakes up to an unpleasant surprise after being forced to spend her first night in Colombia alone.

From survivalists arrivals to a tap out, this week’s Naked And Afraid XL had it all! Here are the highlights and lowlights from the premiere episode.

Chris, Luke, and Honora inspect a fruit tree that might provide them desperately needed food. The team is at odds when they weigh the risk of climbing the incredible heights vs. the reward of food.

Dani set out to find her partners. Meanwhile, Laura and Eva have no idea that they had a third teammate missing. So when they hear a noise in the distance, they don't expect to find Dani!

The walk to find a source of water leads EJ and Jeff through a wall of black palm, which has piercing needles that can dig into flesh and break under the skin.

Catch up on this weeks' highlights and lowlights on Naked And Afraid XL, including small victories and big blowouts.

Desperate for protein, EJ and Jeff go scouting for bigger game to add to their vegetable diet. When they stumble upon a turtle, they celebrate in true EJ and Jeff fashion.

Since Dani J. feels like the odd woman out, she goes on little adventures by herself. Rio Negro teammates Laura and Eva don't know where she goes, so they have to focus on their own survival more than taking care of a third teammate.

The team dynamic at El Bosque camp is tense. Shane, who thinks survival should be active, and Alana and Dani B., who think survival should be lazy, can't get on the same page about how to handle basic survival tasks.

More victories, more disappointments, one more tap out. Here’s the recap of this week’s Naked And Afraid XL.

Jeff shows the 5-person team the lay of the land around his camp with EJ and Shane. Both teams have questions about whether or not they should camp together or separately.

During a mission to find Ryan at the river, Jake and Steven find Ryan's diary cam. In the playback, they can see that the fruit the whole group has been eating might be poisonous.

The drama and tension of survival is taking a toll on newcomer Chance. Will he be able to fit in with the XL team?

Alana and Dani B. make the trek across the blazing hot savannah to move closer to extraction while they still have energy. When they come across the group of 5, both teams think the logical decision is to keep one combined camp.

In desperate times, Stacey tries to use a slingshot to get a meal for the remaining survivalists.

Deperate for protein and a higher source of protein, Luke, Chris, and Laura scavenge small creepy-crawlers for breakfast to tide the large team over until the next big hunt.

Although the remaining survivalists are close to the end of their challenge, they still run up against major threats in their environment like the Big 5 Animals.

The men devise a strategy for their wild pig hunt including a much needed escape route. Hungry and mentally drained, can they bring dinner home?

Dani J. takes longs walk to hold herself mentally and emotionally, even if her team doesn't understand. On this walkabout, she encounters a pack of river otters.

Armed with spears and torches the women quietly wade through the river in hopes of killing a formidable caiman.

The day’s off to a good start when Ryan got a turtle for breakfast. But mealtime takes a funny turn when two survivalists volunteer to eat what turned out to be turtle testicles.

While the men are hunting pigs, the women set out in search of caiman. At 16 feet long, and perfect night vision they are an especially dangerous predator.

EJ, Jeff, and Dani J. discuss the goals of the Naked And Afraid XL and agree that the challenge should not focus on the drama of group dynamics. While Dani J. vents about the drama she's facing, EJ and Jeff provide ample support but not partnership to mak

Check out a never-before-seen clip from Day 38 in South Africa when two male lions intimidated the survivalists’ rangers and Naked And Afraid XL Producer, forcing the crew to stay in the shelter.

With a long journey ahead, the XL team must camp out in what is possibly the most bug infested area of the Amazon.

Laura comes back from a hunting expedition and gets a surprise gift from the monkey in the tree above. Talk about being one with nature!