Two years after her weight loss surgery, Bettie Jo is pregnant and dealing with serious health issues that could jeopardize her progress.

Jennifer discusses some of the early childhood trauma that led to her food addiction.

In an effort to lose weight, Marissa convinces her mother to go to the gym with her. Unfortunately, Jennifer feels she is unable to take such a big step at this time and they decide to take a walk around their neighborhood.

Schenee's story how she came to be overweight.

Tensions rise as Sarah and her mom move into their new apartment in Houston. Within minutes, Sarah's mother finds several hidden bags of candy and cookies which instantly makes her worried about Sarah's level of seriousness concerning this process.

Sarah moves in with her grandmother who is helping her stay on track to lose weight.

Sarah describes her early childhood and what led her to gain all the weight.

Renee has an emergency on the way to Houston.

Renee tells us about her rough childhood that led to her being overweight.

David and Benji have their first appointment with Dr. Nowzaradan and realize they are much heavier than they previously thought.

Brothers David and Benji discuss their early childhood and the stressors that led to their overeating.

After Tamy has lost a significant amount of weight, she makes an effort to be more independent and decides to do the laundry on her own. Unfortunately, this simple task does not go as she hoped.

Tamy describes her early childhood and how her family influenced her weight gain.

Robert struggles every morning with simple tasks due to his weight. Luckily, his fiancé, Kathryn, is there to help him get through the day.

Lisa's daughter Danielle describes her mother's food situation.

Lisa discusses her early childhood and how she got to this weight.

Lisa's daughter Danielle describes her mother's food situation.

Michael and family finally arrive to their new house in Houston, which they find to be riddled with problems.

Joe hits the gym for the first time, in an attempt to lower his weight from the dangerously high 800 pounds.

At 600 pounds, Lupe spent the last ten years in bed & totally dependent on her husband.

Tensions are high as Michael and family pack up their lives to move to Houston.

Lisa discusses her early childhood and how she got to this weight.

Watch Laura struggle to lose enough weight to become eligible for weight loss surgery.

We follow Joe on his wheightloss journey. He's already lost over 200 pounds

Nicole describes her difficult childhood

Robert struggles every morning with simple tasks due to his weight. Luckily, his fiancé, Kathryn, is there to help him get through the day.

Nicole explains how a trip to the grocery store is for her, and how she truly enjoys shopping for food.

Joe travels to Iowa to meet with his doctor and get an update on his health.

Charity weighs nearly 800-lbs. Suffering from flesh-eating bacteria and butterfly shaped fat deposits, she must have constant help from her family. When unexpected bad news threatens her weight loss journey, she must decide if she can continue.

Tamy describes her early childhood and how her family influenced her weight gain.

Marla is so heavy she cannot stand up. Bedridden, her true weight is unknown but estimated at 800-lbs.

After Tamy has lost a significant amount of weight, she makes an effort to be more independent and decides to do the laundry on her own. Unfortunately, this simple task does not go as she hoped.