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.

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

Dealing with a severe lack protein of, the women head down to the water to construct a fish trap in hopes of trapping some piranhas.

As happy as two groups are to have found each other, this week saw great misfortune as hunts fail and ticks attack. Watch Naked And Afraid XL X-Posed to get the official recap of Week 2.

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.

Matt and Russell feast on wild pig from the hunt. However, they struggle to eat as much as they can before the food goes bad.

Another survival tap out, another victim of tick bite fever, another questionable choice of protein. Check out the highs and lows from this week of Naked And Afraid XL.

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 all-male trio air their grievances for the first time. Different survival tactics and machismo could jeopardize this team's chance at making it to Day 40.

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

As the rain pours down in the Amazon, the women try to protect their fire. Walking on slippery ground, Lacey takes an unfortunate spill.

With the team of 9 united, there are group laughs along with the group frustrations and failures. Watch the official recap of Naked And Afraid XL Week 4.

The fresh kill that the Swati Valley team discovered tastes rancid. As hungry and in need of protein as the survivalists are, they have trouble swallowing the red meat.

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.

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.

Hunger is the driving force of pain and frustration this week on Naked And Afraid XL. See how the survivalists handled their hunger and each other.

In separate camps, Alana and Shane both attempt to get larger sources of much-needed protein. But when one teammate is successful, the question of whether salvaging a friendship is worth losing protein comes up.