The Hero

Contestants are offered temptations as they navigate the jungle and handle huge snakes; a contestant must climb atop a towering bridge; the house questions Athena's motives.

Dwayne Johnson reveals a twist; contestants must leap off a building and climb an elevator shaft; one contestant must swim in the ocean for the Hero challenge; Charles makes a plea.

Contestants must take a lie detector test as part of the team challenge; one contestant is tear-gassed; Lydia bares her soul in the war room.

Contestants test their skills with primitive weapons and navigate an underground cave; the contestants fight to prove who is the most heroic.

Contestants rappel down the tallest building in Central America; the contestants make their final pleas to America.

The contestants are reunited; America's vote for "The Hero" is revealed.