2004
The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
2009
Five best friends start a challenge to lose 50 pounds each in 120 days to compete in a triathlon.
2008
In this unique experiment, nine 21st century volunteers subject themselves to the weight loss diets and fitness regimes of previous generations. But have they bitten off less than they can chew?
2002
Celebrity Fit Club is a reality television series that follows eight overweight celebrities as they try to lose weight for charity. Split into two competing teams of four, each week teams are given different physical challenges, and weighed to see if they reached their target weights. They are monitored and supervised by a team that includes a nutritionist, a psychologist, and a physical trainer, the latter of which is former U.S. Marine Harvey Walden IV.
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 by Gillian McKeith. The fourth series was called You Are What You Eat: Gillian Moves In.
2010
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 episode follows one teenager who is paired with a motivational personal trainer. A trainer teaches them new exercise and eating habits over the next few months while offering emotional support. Documented students share their personal trials and tribulations in the series. Several episodes of the show have covered a high school student's last summer before college. These students expressed a desire for a metamorphosis before they start their new lives away from home.
2019
2007
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 challenged to lose weight for a chance to win the dress of their dream.