The players have a chance to win immunity by becoming the first competitor to lose 2 percent of his or her body weight. Each person only has one chance to weigh in, however, adding a critical element of timing to the challenge. Later, the contestants hit the water for a race involving weights. Those who finish may help others complete the challenge.

Bob Harper
Trainer

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Alison Sweeney
Host

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Jillian Michaels
Trainer

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