Sweat Inc.

Jillian Michaels and our judges put three brand new low impact workouts through the paces with guest judge Kit Hoover along for the ride. The workouts may be low impact, but the competition is not.

Tempers and heart rates rise as three innovative interval training workout programs face high intensity competition in Host Jillian Michaels' search for America's next fitness phenomenon. Time to go hard or go home.

Football legend Terrell Owens joins Jillian Michaels and our judges as they try three fan-based workout programs and one unlikely entrepreneur has our judges on the fence all the way to the end of the competition.

Guest judge Tito Ortiz joins Jillian Michaels in the search for America's next fitness phenomenon. Three fight-inspired workouts step into the ring but only one can go the distance. Which workout will KO the rest?

Jillian Michaels tests out three of the season's most unusual workouts, seeking out a program with mass appeal. A tight race between two of the entrepreneurs forces the judges to make their most emotional decision.

Guest judge Lolo Jones joins Jillian Michaels in the search for America's next fitness phenomenon. Three new circuit-training programs battle it out, but only one will take home the gold. Who will the judges choose?