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.

Coming up this season on My 600-lb Life.

The new season of My 600 lb. Life premieres Wednesday, January 10 at 8/7c only on TLC.

At nearly 700 lbs., 51-year-old Pauline has an addiction to food that is killing her and taken over the life of her son. But Pauline doesn't fully understand the gravity of her situation.

Weighing in at 660 pounds, Amber knows she is killing herself with her weight. Ready to undergo surgery, Amber is determined to get her life back on track.

James comes from a long line of family obesity and at 706lbs, is determined not to die in the same hospital bed that his father and sister did.

Paula is motivated to work out with a personal trainer at her gym, but it's still going to take some time before Dr. Nowzaradan's diet advice really sinks in.

Twin sisters Brandi and Kandi tell-all about their weight-loss experience and their ‘My 600 lb Life’ journey.

Chuck is surprised to discover that surgery didn't take away his cravings. He's still getting meals from the drive-thru.

Since their shows, have Melissa, Donald, Henry and Ashley maintained their weight-loss? We get an update on where they are now. We also see some never before seen footage and get a behind-the-scenes from the shows producer in a "My 600-lb Life" r ...

Paula mentally prepares for gastric bypass surgery by drastically altering her look with bright green hair dye.

Zsalynn is scared going into surgery, but she puts on a brave face for her daughter Hannah. She confesses that she wishes her husband were there to support her.

At age 23, and over 600-lbs, Amber relies on her family, and boyfriend for even simple needs. Her fear of dying young is so overwhelming that she makes the decision to relocate 2,000 miles in hopes that weight loss surgery will give her life back.

Penny is transported from her home in Maryland to see Dr. Nowzaradan in a Texas hospital. Once she's there, he shares some grim facts about her weight and BMI.

Chuck weighs almost 700lbs and it has hindered every aspect of his life. He's had to downsize his business and his wife feels like a single-parent, who is ready to leave him.

Dr. Nowzaradan tells Tara that if she doesn't change her eating habits immediately, she'll only live five more years. Tara is reduced to tears when her mother delivers an ultimatum on top of that.

Meet Nikki Webster, who at 33-years-old weighs 650-lbs and has a food addiction that is killing her, but she feels powerless to stop the fast food binges.