Season 1

1. Rachel

2011-05-30

An ambitious 21-year-old woman who weighs nearly 400 pounds embarks on a one-year challenge in hope of losing weight.

2. Alex

2011-06-06

A 23-year-old man tries to fulfill a promise he made to his late mother to lose weight and lead a healthier life.

3. Dana

2011-06-13

45-year-old bachelor Dana tries to lose weight and reclaim his life.

4. James

2011-06-20

Weighing in at 651 pounds, James, a 25-year-old former football player from Fort Worth, Texas, becomes the most obese person trainer and transformation specialist Chris Powell has ever worked with. James must lose 150 pounds to stay on track in the first of his four, three-month phases of weight loss.

5. LaRhonda

2011-06-27

A young woman works to lose weight and in the process must face the secret that lead to her becoming obese

6. Wally

2011-07-11

Wally, 26, a young father who weighs 490 pounds and whose wife is uncertain if her husband will be around to see their daughter grow up.

7. Staci

2011-07-18

Staci, 30, a 456-pound married mom caring for her husband and their two young children, while doing her best to keep a positive outlook.

8. Krista

2011-07-25

Krista, 34, a devoted mother whose care for her developmentally-disabled daughter has taken a tremendous toll on her 445-pound body.