A 423-lb. 55-year-old dad and his 265-lb. 15-year-old daughter attempt to lose weight in the Season 4 finale.
Season 4, Episode 12
A 448-lb. 49-year-old drama coach attempts to lose weight.
A 410-lb. 35-year-old former Marine and a 380-lb. 36-year-old caretaker attempt to lose weight.
Season 4, Episode 10
A 39-year-old overweight little person attempts to shed pounds.
Season 4, Episode 9
A 39-year-old 347-lb. woman hopes to lose weight before trying to find her biological son, whom she gave up for adoption.
A 315-lb. 44-year-old former gymnast attempts to lose weight.
Season 4, Episode 7
Nina Davuluri, 2014 Miss America, helps a 329-lb. 29-year-old makeup artist lose weight.
Season 4, Episode 6
A 413-lb. 30-year-old chef attempts to lose weight.
Season 4, Episode 5
A 301-lb. 46-year-old widow attempts to lose weight.
Season 4, Episode 4
A 382-lb. 29-year-old high-school-football coach attempts to lose half of his body weight.
Season 4, Episode 3
A 417-lb. divorcé attempts to lose weight.
A 255-lb. 52-year-old single mom and her 345-lb. 21-year-old son attempt to lose weight.
A 310-lb. 32-year-old hairstylist and a 480-lb. 19-year-old baseball player attempt to lose weight in the Season 4 premiere.