Members of both tribes fight head-to-head for supplies in an epic reward challenge. An injury puts one tribe member's game in jeopardy, and both groups struggle with life in the wild. Alliances begin to form, but can they be trusted?

The immunity challenge sees the tribes fight for survival as they race into the sea. Who will win and avoid having to vote out one of their own at tribal council? And who will become the second person voted out of the show?

With just 15 people left, the competition is heating up, and one castaway makes a game-changing discovery.

At the reward challenge, it's revealed who was voted out at Tribal Council, and the tribes go head-to-head in a brutal battle in the water. But only one tribe can win the much-needed food reward.

At the immunity challenge, balance and dexterity are rewarded with safety, but who will clinch victory? And when the losing tribe goes to Tribal Council, a huge twist awaits one castaway.