Ran an den Speck – Familien nehmen ab

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

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

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. But have they bitten off less than they can chew?

Gladiators is a British television entertainment series, produced by LWT for ITV, and broadcast between 10 October 1992 and 1 January 2000. It is an adaptation of the American format American Gladiators. The success of the British series spawned further adaptations in Australia and Sweden. The series was revived in 2008, before again being cancelled in 2009. The series was originally presented by John Fashanu and Ulrika Jonsson, however, Fashanu was replaced by Jeremy Guscott in 1997. Guscott left the series in 1998, and subsequently, Fashanu returned for the final series in 1999. The series was refereed by John Anderson and the timekeepers over the show's run were Andrew Norgate, Derek Redmond and Eugene Gilkes. John Sachs was the show's commentator, and the series was accompanied by its own group of cheerleaders, known as G-Force. Despite being made by London Weekend Television, all episodes of Gladiators, International Gladiators, the second series of The Ashes and the first series of The Springbok Challenge were recorded at the National Indoor Arena in Birmingham. The first series of The Ashes and the second series of the The Springbok Challenge, however, were filmed on the sets of the Australian and South African versions of the shows respectively. The series also spawned a version for children, entitled Gladiators: Train 2 Win, which was broadcast on CITV between 1995 and 1998.

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.

Celebrity Operation Transformation is an Irish health and fitness programme based on Operation Transformation

Strong features 20 contestants, which include 10 male trainers and 10 female trainees. The trainers work on helping their trainees improve their physical fitness, not only through losing weight but also through achieving a balance between mind and body, and getting into shape both physically and mentally. After a series of challenges, two teams will face each other in a physical competition in the Elimination Tower, with the losing team being eliminated from the series. The winning team will receive a cash prize of up to $500,000, depending on their overall performance in the show.

In this fierce fitness competition, one hundred contestants in top physical shape compete to claim the honor of best body.

People try to lose weight and get fit with the expert help of a personal dietician, fitness instructor and psychologist. As an added incentive, the participants' houses and fridges are fitted with webcams to catch them out if they slip back into bad habits.

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.

They are two of the most stressful things in life - planning a wedding and losing weight. Ten overweight engaged couples will live together and battle for the wedding of their dreams over a three-month period. Every episode, the couples will face off in a big physical challenge, competing to win one element of their wedding - from the invitations, to the cake, to the rings. Whatever they win will be theirs to keep. Together, they will plan their weddings with the help of the nation's top wedding planners, they will take a vow to eat right and exercise, and world-class trainers and nutritionists will completely overhaul their bodies. At the end of each episode, the couples will step on the scale and be weighed together - the couple who lost the least amount of combined weight that week will be eliminated. In the end, one couple will win their fantasy wedding - a once-in-a-lifetime event - that America will attend.

By gaining confidence and control over their lives, maybe even for the first time, Khloé Kardashian and a team of Hollywood's best trainers and glam squads help two individuals per episode re-create themselves.

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 of excess skin. Using modern technology and reconstructive surgical options, massive amounts of skin are removed, creating a full-body transformation.

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 habits have on their health. And he’s not going to hold back until he has turned their ‘house of fatness’ into a ‘house of fitness’.

Each week, host Alex Weber joins your favorite ninjas to get an insider's behind the scenes look at how an obstacle goes from an idea to the ultimate athletic challenge in Crashing The Course.

We’ve packaged this workout program in a thirty-day, four cycle system arranged In a unique progression that’s specifically sequenced to optimize weight loss and sculpt long, lean muscles. Each cycle includes three revolutionary workouts. That’s a total of 12 power-packed DVDs that are based on cutting-edge fitness, designed to help you achieve maximum results in minimum time. Also included is a bonus DVD with two workouts designed to kick start your metabolism and jump start your weight loss. You’ll get FIRM and sexy in just thirty short days! During each cycle, The FIRM Express will ignite your metabolism by blending cardio + sculpt together with Mini Bursts that rev the metabolism to produce an after-burn effect so you’ll keep burning calories even after your workout is complete.

Rigtige Mænd

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 their goals? We get an update on where they are now and what's changed since the show.