A new all-star cast of celebrities, featuring Bobby Brown, Nicole Eggert, Kevin Federline,and in a shocking twist, Kevin's ex, and baby mama, Shar Jackson, arrive at CFC to experience the most brutal celebrity workout on television. Jay McCarroll (Project Runway) surprises himself by reaching new heights as Tanisha Thomas (Bad Girl's Club Season 2) gets up Drill Instructor Harvey's grill... big mistake. Plus, an emotional weigh-in ceremony reveals the extra pounds and emotional baggage the cast hopes to shed at Fit Club.

A simulated beach raid puts the cast on the wrong side of Harvey's water cannon as Kevin and Bobby burn some calories... and lose their pants. An emotional and tear-filled bonfire helps say goodbye to old baggage. Later, Bobby Brown parties hard... and pays the price. Probably not the best way to impress the panel.

Bobby Brown threatens to check out when a "prison break" challenge complete with fierce guard dogs triggers his "fear response." Can Harvey get him to man-up and face his biggest fears? Nicole Eggert gets a big wakeup call on the scale.

A brutal, muddy and windy teamwork challenge brings out the worst in Tanisha and Sebastian as they bare their fangs and throw down. Later Tanisha's faces her deadly fear of water with the help of hunky Olympic gold medalist, Cullen Jones.

Bobby Brown disappoints his team and Harvey by announcing he has a prior engagement and will be leaving Fit Camp. Can Harvey get him to commit to the program?

Harvey forces the cast to put Mind over Matter as a CFC Marathon pushes the cast beyond their limits. The next day, in a session to help them learn to turn a negative into a positive, Rhonda has each of them face the bad press they've received -- by reading it out loud!

A grueling Hell Week challenge sends one Celebrity Fit Clubber to the hospital while the rest are forced to rough it outdoors. Later, Kevin Federline gets a chance to man-up and help Shar Jackson move on. Will he take it?

In the final challenge, the cast revisits "The Punisher," the course that left many of them crushed and bruised the first time around. The 200K Grand Prize winners are revealed -- but last minute drama sends one Fit Clubber storming out.