Casey questions whether he should go through with the surgery.

Casey learns if he has been approved for life-saving surgery.

A year later, the Andersons begin to struggle in their weight-loss journey.

Naomi gets devastating new that might derail her goals for good.

The Anderson family works through their issues in group therapy.

Shavonne undergoes high-risk surgery, and Drew goes on another date.

Two people undergo surgery to remove excess skin left after weight loss.

Two women undergo surgery to remove excess skin from extreme weight loss.

Two people have surgery to remove skin remaining after major weight loss.

At 650 lbs, Melissa is ready to begin her seven-year weight loss journey.

Two years after her surgery, Melissa struggles to get to her ideal weight.

Motivated by love, 675-lb Donald begins his weight loss journey.

At 715 lbs, Henry hopes to transform himself and attend his school reunion.

Ashley aims to turn her life around after being let go due to her weight.

At nearly 1,000 pounds, Samantha is dangerously close to dying.

Whitney's determined to show the world she can still dance at 380 pounds.