Five best friends start a challenge to lose 50 pounds each in 120 days to compete in a triathlon.

The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.

In this unique experiment, nine 21st century volunteers subject themselves to the weight loss diets and fitness regimes of previous generations...

Four larger-than-life best friends battle morbid obesity using hard work, heart and a wicked sense of humor. This girl gang has had each other's...

They are two of the most stressful things in life - planning a wedding and losing weight. Ten overweight engaged couples will live together and...

I Used To Be Fat is an MTV reality series that follows overweight teens striving to achieve weight loss through means of diet and exercise. Each...

Celebrity Fit Club is a reality television series that follows eight overweight celebrities as they try to lose weight for charity. Split into two...

You Are What You Eat is a dieting programme aired in various forms between 2004 and 2007 on British broadcasting company Channel 4, and presented...

3 Fat Brides, 1 Thin Dress is a British reality television series hosted by Gillian McKeith that aired on Channel 4. Three brides-to-be are...

Telling powerful stories in hourlong episodes, TLC follows medical journeys of morbidly obese people as they attempt to save their own lives. The...

This companion series to TLC's popular "My 600-Lb. Life" presents profiles of people who go through extensive surgeries to remove up to 50 pounds...

Weight loss expert Steve Miller moves into the homes of some of the UK’s fattest families, exposing them to the risks their bulging bellies and bad...

June Shannon ('Mama June') gained fame as the mother of young beauty-pageant contestant 'Honey Boo Boo' (Alana Thompson) on various reality shows...

Eight brave participants in the transformation will share their story. And they discover that not only indiscipline in eating, but also emotional...

Check in on the men and women featured in "My 600lb Life." Since the show, have they maintained their weight loss and continued working toward...

De Afvallers is a Dutch reality television series which first premiered on SBS 6. The series is a spin-off of the American reality television...

Jessie Pavelka tries to help nine morbidly obese individuals shed more than half their bodyweight before it kills them.