14x8 - The Biggest Loser

The players work together to lose 70 pounds in order to win immunity for all; the kid participants are tested in a pop challenge; a sand-digging challenge offers a weigh-in advantage; the trainers and players participate in a team-building exercise; Subway's Jared Fogle offers words of wisdom; and Jillian and the kids endorse Seventeen magazine's "Body Peace Treaty.