The Biggest Loser

Season 9, Episode 12

Episode Title: Week 12

Air Date: 2010-04-06

Overview:

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.