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.
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.
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.
Krista, 34, a devoted mother whose care for her developmentally-disabled daughter has taken a tremendous toll on her 445-pound body.
Chris helps a man whose struggle with weight has left him jobless and put strain on his relationship.
A 355-pound woman works to lose weight so she can start a family.
Michael, a 28-year-old small-business consultant who weighs 493 pounds, tries to live a healthier life Michael's family lends support by pledging to lose 500 pounds.
Ashley, a cosmetology student from California, tries to lose half of her 323 pounds by her 21st birthday.
A 435-pound woman struggles with the hard work and commitment needed to get healthy. Chris helps the woman find closure with her biological father.
A 543-pound man works to get healthy so he can be a better father and husband; the Harlem Globetrotters host a day of physical challenges.
Following serious injuries that led to weight gain, a 45-year-old mother tries to slim down and get healthy.
At 548 pounds, a newlywed from Portland, Oregon, wants to lose 50 percent of his body weight and live a healthier life
Twins David and Rebecca are split up as they tackle a 90-day weight-loss challenge.
An adopted woman named Meredith tries to reach her goal weight of 155 pounds and gain the confidence to contact her birth mother; Meredith receives a visit from actress Nicole Eggert.
A 410-pound man named Ryan who lost an arm in a car accident tries to lose more than half his bodyweight and conquer his fear of riding a bike; professional football player Clay Matthews and famed wide receiver Donald Driver visit Ryan.
Chris helps a married couple named Jason and Rachel.
Chris helps Jami lose weight by measuring her own fitness accomplishments.
Chris helps music producer and DJ Mehrbod break the cycle so he can propose to his girlfriend.
Trina, a 46-year-old nurse, initially embraces a new healthy lifestyle.
Chris helps Chantell, a stylish 25-year-old from Chicago, lose weight.
Chris travels to Kalamazoo, Michigan, to train Alyssa.
Chris helps family man Mike turn his health around; Mike gets the chance to box Evander Holyfield.
Chris helps a woman who blames obesity for her daughter's death get healthy
Chris helps Cassandra, a former athlete who turned to food for comfort.
A police officer weighing nearly 450 pounds is in danger of losing his job.
Season 5 opens with twin brothers, former high-school basketball players who each weigh almost 400 pounds. They're also L.A. Lakers fans, and get to meet Kobe Bryant and Steve Nash; and play two-on-two against Byron Scott and James Worthy at their six-month milestone.
A 399-pound gay firefighter wants to change his life; and a 331-pound former college hoops player hopes to lose weight and find the man of her dreams.
A New Orleans couple that has gained a combined 150 pounds during their four-year courtship is helped. He hopes to gain the confidence to ask for her hand in marriage; and she hopes to find the confidence to say yes. They spend three months together at weight-loss boot camp, but then are (unexpectedly) separated for three months while they reach their individual goal weights, unable to see one another until their wedding day.
A couple postpones their wedding so that they can lose weight. Their goal: to be able to wrap their arms around each other for their first dance.
A couple who connected through online dating and a shared love of food work to get in shape for their nuptials
A woman with a terminally ill husband learns healthy habits so she can live longer for her children; chef Rocco DiSpirito offers quick and healthy breakfast options.
Tiffany, an autism activist and single mother of an autistic teenager, battles her past history of eating disorders and negative food choices so she can live a longer life and continue to parent her son.
Born with a winning spirit, Rachel began dancing at three years old. As Rachel grew older, her spirit was hampered by mixed feelings towards love, sex and religion, so she turned to food for emotional support and became obese. Rachel is now looking to "get her groove back".
Jackie (Denver, CO) was a fit athlete in high school, but she put on more than 100 pounds (reaching a total of 266 pounds) after her newborn baby suffered Shaken Baby Syndrome at the hands of the nanny. The incident resulted in brain damage that the child still lives with 16 years later. Jackie is hoping to lose the excess weight that continues to hold her back and gather the strength to forgive the nanny who changed their lives forever.
Hannah (Austin, TX) is a successful career woman who seemingly has it all together. But after being told by doctors that she's gotten too heavy (310 pounds) to have children, she reached out to Chris Powell to help her get healthier and lose the weight in order to complete her family.
Put your body in motion with gentle moves that work every major muscle group to ignite your metabolism, start losing pounds and inches, and begin your transformation.
Kick it up a notch with a calorie-burning workout that includes a cardio-infused Shredder Circuit, an ab-sculpting Core and the dirty 30's that blasts fat in 30-second bursts
Take your makeover to the max with calorie-crunching cardio, a Sprint Circuit of quick total-body moves to build muscle, and an Endurance Circuit that turns your body into a fat-burning furnace one rep at a time.