Celebrities compete to lose weight and get in shape. The celebrities take part in a range of physical and motivational activities designed to shed pounds, increase team spirit, and win prizes. In the end, they face the scales at a weigh-in ceremony where they are individually weighed in by a panel of experts.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Weigh In | 2005-01-09 | 60 min |
| Season 1 | Episode 2 | The Pool Challenge | 2005-01-16 | 60 min |
| Season 1 | Episode 3 | The Boxing Workout | 2005-01-23 | 60 min |
| Season 1 | Episode 4 | The Weakest Link | 2005-01-30 | 60 min |
| Season 1 | Episode 5 | Celeb. Sleepover | 2005-02-13 | 60 min |
| Season 1 | Episode 6 | Elementary Olympics | 2005-02-20 | 60 min |
| Season 1 | Episode 7 | Cells Phones, Spas and a Tug of War | 2005-03-06 | 60 min |
| Season 1 | Episode 8 | The Final Weigh In | 2005-03-13 | 90 min |
| Season 2 | Episode 1 | Welcome to Fit Club | 2005-07-10 | 60 min |
| Season 2 | Episode 2 | The Boxing Match | 2005-07-17 | 60 min |
| Season 2 | Episode 3 | Rickshaw Races | 2005-07-24 | 60 min |
| Season 2 | Episode 4 | The Zorb Challenge | 2005-07-31 | 60 min |
| Season 2 | Episode 5 | Here Come the Marines | 2005-08-14 | 60 min |
| Season 2 | Episode 6 | Flying Trapezes | 2005-08-21 | 60 min |
| Season 2 | Episode 7 | Fit Camp Shoot Off | 2005-08-28 | 60 min |
| Season 2 | Episode 8 | The Biggest Loser | 2005-09-04 | 90 min |
| Season 3 | Episode 1 | Introduction | 2006-01-01 | 60 min |
| Season 3 | Episode 2 | The Meltdown | 2006-01-08 | 60 min |
| Season 3 | Episode 3 | Three Strikes You're Out | 2006-01-15 | 60 min |
| Season 3 | Episode 4 | Why Countess is Crying | 2006-01-22 | 60 min |
| Season 3 | Episode 5 | Chastity's Workout Ambush | 2006-01-29 | 60 min |
| Season 3 | Episode 6 | The Team Vote Off | 2006-02-12 | 60 min |
| Season 3 | Episode 7 | Tears at 20 Feet | 2006-02-19 | 60 min |
| Season 3 | Episode 8 | The Finale | 2006-02-26 | 90 min |
| Season 4 | Episode 1 | What the Hell Did I Get Into? | 2006-08-06 | 60 min |
| Season 4 | Episode 2 | Nick Blows Up! | 2006-08-13 | 60 min |
| Season 4 | Episode 3 | Burn Baby Burn! | 2006-08-20 | 60 min |
| Season 4 | Episode 4 | The Cast Melts Down | 2006-08-27 | 60 min |
| Season 4 | Episode 5 | You Just Got Injected with Victory Juice! | 2006-09-10 | 60 min |
| Season 4 | Episode 6 | Put Up or Shut Up | 2006-09-17 | 60 min |
| Season 4 | Episode 7 | Carnie vs. The Lie Detector | 2006-09-24 | 60 min |
| Season 4 | Episode 8 | Tears at the Grand Finale | 2006-10-01 | 90 min |
| Season 5 | Episode 1 | Fireworks at the Series Premiere | 2007-04-22 | 60 min |
| Season 5 | Episode 2 | Porn Tales | 2007-04-29 | 60 min |
| Season 5 | Episode 3 | I'll Serve 10 Days...to Whip His Ass | 2007-05-06 | 60 min |
| Season 5 | Episode 4 | Fit Camp Hits the Slopes | 2007-05-13 | 60 min |
| Season 5 | Episode 5 | The Last Man Standing | 2007-05-20 | 60 min |
| Season 5 | Episode 6 | Will the Dust Settle? | 2007-05-27 | 60 min |
| Season 5 | Episode 7 | A Star is Scorned | 2007-06-10 | 60 min |
| Season 5 | Episode 8 | Fit Club Season Ends with a Bang! | 2007-06-17 | 90 min |
| Season 6 | Episode 1 | Welcome to Harvey's World | 2008-03-13 | 60 min |
| Season 6 | Episode 2 | Toccara vs. Dr. Ian, Round Two | 2008-03-20 | 60 min |
| Season 6 | Episode 3 | Dunkleman, Out! | 2008-03-27 | 60 min |
| Season 6 | Episode 4 | When Toccaras Attack | 2008-03-30 | 60 min |
| Season 6 | Episode 5 | Dustin's Back in the Fight | 2008-04-06 | 60 min |
| Season 6 | Episode 6 | Erin's Monologue | 2008-04-13 | 60 min |
| Season 6 | Episode 7 | Clash of the Fit Clubbers | 2008-04-20 | 60 min |
| Season 6 | Episode 8 | Season Finale | 2008-04-27 | 90 min |
| Season 7 | Episode 1 | The Wake-Up Call | 2010-02-08 | 90 min |
| Season 7 | Episode 2 | The Warrior Within | 2010-02-15 | 60 min |
| Season 7 | Episode 3 | Fight or Flight | 2010-02-22 | 60 min |
| Season 7 | Episode 4 | Teamwork | 2010-03-01 | 60 min |
| Season 7 | Episode 5 | The Art of War | 2010-03-08 | 60 min |
| Season 7 | Episode 6 | Play to Your Strengths | 2010-03-15 | 60 min |
| Season 7 | Episode 7 | Mind Over Matter | 2010-03-22 | 60 min |
| Season 7 | Episode 8 | The Crucible | 2010-03-29 | 60 min |
| Season 7 | Episode 9 | Graduation | 2010-04-05 | 90 min |
