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.
With a degree in dietetics and 17 years of experience as a trainer, Alex has fitness down to a science; Geoff is a foodie who wants to lose weight for his upcoming wedding; Alex tries to convince Geoff that fitness is about more than appearances.
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 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.