Contestants are introduced to the ranch, trainers, and rules. The 12 contestants were separated into two teams, red and blue, and assigned their team trainer. They competed for a 5 lb advantage at weigh in.

Designed for those beginning an exercise program, this lower-intensity workout incinerates calories while building core strength and stamina. An excerpt from The Biggest Loser Workout with celebrity trainer Bob Harper and featuring six contestants from seasons one and two from the NBC hit series.

Perfect for those who exercise regularly, this workout blasts away the fat with power movements done at a heart-pounding pace. An excerpt from The Biggest Loser Workout with celebrity trainer Bob Harper and featuring six contestants from seasons one and two from the NBC hit series.

Turn up the burn with this circuit-based sculpting workout that will increase lean muscle and raise your metabolism for an all-day fat-burning effect. An excerpt from The Biggest Loser Workout with celebrity trainer Bob Harper and featuring six contestants from seasons one and two from the NBC hit series.

Give those extra pounds the boot! If you're short on time, this hard-core strength and cardio workout can replace a Cardio/Strength and Sculpt combination. An excerpt from The Biggest Loser Workout with celebrity trainer Bob Harper and featuring six contestants from seasons one and two from the NBC hit series.

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