Fit to Fat to Fit - Season 1

Fitness trainer JJ attempts to gain 60 pounds in order to inspire an overweight client who hopes that a slimmer personal appearance will improve his profile with adoption agencies.

Fitness trainer Steve tries to gain as much weight as possible to demonstrate to an overweight mother of three that it's not selfish to take care of oneself.

Trainer Adonis attempts to gain 70 pounds in order to teach his client Alissa how to turn a temporary diet into a lifestyle.

A fitness trainer with a degree in dietetics and 17 years of experience takes on a foodie who wants to lose weight for his upcoming wedding.

Personal trainer Corey gains 60 pounds in an attempt to motivate Raela, a homebody and preacher's daughter, to reach her fitness goals.

A trainer uses her obsession with health and fitness to help a food-loving chef lose weight so that he can have the energy to keep up with his restaurant and his younger bride-to-be.

A gym owner gains as much weight as possible, then works to lose it alongside a wife and mother whose busy schedule prevents her from exercising and eating properly.

A celebrity fitness correspondent eschews healthy habits for four months in order to teach a 400-pound red-carpet videographer that health is more important than anything.

A gym owner in southern Florida destroys his body in order to inspire a 380-pound Army veteran to change his unhealthy ways.

A young bodybuilder gains 60 pounds to help two men who enable each other with their poor eating habits.