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.

Hateful jeers could derail the success of Whitney's dance class.

Whitney's new "Say-Yes" philosophy lands her in a plus-size fashion show.

Worried about keeping male puberty at bay, Jazz visits the doctor.

Jazz worries when her friends suggest a bowling night with some boys.

Jazz attends a soccer clinic and discovers how hard high school will be.

Jazz travels to New York for a third surgery to correct defects.

After breaking up with Ahmir, Jazz tries to make it work with Victoria.

Jazz discovers that JoJo's grandmom won't support JoJo having top surgery.

Jazz heads to New York for a consultation on a possible 4th surgery.

Jazz works to help Noelle raise money for gender confirmation surgery.