The ultimate treasure hunt begins where 16 celebrity castaways go head to head in challenges. Loyalty and rivalries will be tested - all for the chance to win $100,000 for their charity.

Most of the celebrity castaways are getting used to camp life - but a rough night's sleep has one team member thinking about the comforts of home. Later, a team face-off challenge has everyone getting down and dirty!

Mako get their first chance to earn some cold hard cash for their charity. Then, things get heated in a fierce face-off challenge, leaving one team feeling the burn.

Things get wet and wild and a dramatic twist threatens to change the game. With 13 celebrities left, who will be safe from elimination?

The hunger at camp Kahu reaches an all-time high and the female team members plot the dethroning of their captain. Will their plan come to fruition? Or will they be left out in the cold?

Mako are hungrier than ever, and the captain of Kahu faces a power struggle. Plus, Mako confront Barbs and tempers flare during an explosive team face-off!

Mako go troppo as the competition heats up. Meanwhile, Kahu take their competitive natures to a bizarre new level.