The Biggest Loser

Week 12 (9x12)

Air date: Apr 06, 2010

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.