A divemaster, Sarah Danser, and former Navy seal, Ben Johnson, are, for the first time in Naked and Afraid history, stranded at sea.

But when the challenge overwhelms one of them, the other must forage, trap and even kill to keep a glimmer of hope alive.

Hunter Jeremy Mc Caa and a surfer girl Cassidy Flynn must survive on West Nalaut Island in the Philippines.

Ashley Burns and Michael Jefferson attempt to survive dazzling heat in Botswana.

Ashley medically evacuated on day 3 after suffering dizziness, while Michael tapped out on day 12 after hurting his kidney.

Trouble hits the partnership early on & the episode takes a turn, Michelle tapped out early and was replaced by Melanie Rauscher.

A survival-savvy yoga teacher, David Scott, and a custom knife maker, Kaila Cummings, tackle the brutal jungle of Colombia.

Hakim Isler and Phaedra Brothers tackle the high altitude and extreme cold of the Himalayan foothills in northern India.

Phaedra battles food poisoning from before her arrival and suffers through bladder and kidney infections.

Vincent Pinto and Sabrina Mergenthaler face flash floods and heat exhaustion in a Bolivia jungle.