Two Naked and Afraid super fans get one-on-one intensive primitive survival training with veteran survivalist, Gabrielle, before attempting a full 21-day challenge alongside all-stars Matt Wright and Gary Golding.

This season of Naked and Afraid will take nudity to places you'll never see coming. Watch the premiere on Sunday, Feb 23 at 8p.

Sneak peeks are revealed as show veterans prepare for the next challenge.

Twelve veteran survivalists take on the badlands of Colombia.

Hunger, thirst and distrust threaten to wreak havoc on several competitors.

The survivalists struggle to adapt to the environment and each other.

The remaining survivalists trek across the scorching savanna to find food.

Scarce resources force the survivalists to seek food in uncharted waters.

The dehydrated and protein-starved competitors compete for resources.

The survivalists struggle to find nourishment to survive extraction.

The groups begin the treacherous, 10-mile journey to the extraction point.

The survivors reunite to discuss the challenge and answer fan questions.

In a special one-hour preview, 12 Naked & Afraid veterans prepare for the most formidable survival challenge on the planet - surviving 40 days and 40 nights in the sun-scorched bush of South Africa.

Learn about the three categories that are factored into a Primitive Survival Rating (PSR): experience, skill, and mental approach. Then, take a look back at survivalists from previous seasons to understand how their final scores were calculated.

With winter approaching, the Kilchers pin all their hopes on one hunt.

The entire homestead rushes to prepare for the first storm of the winter.