This the fourth season of the mixed martial arts reality television series The Ultimate Fighter. It premiered on August 17, 2006, immediately after the conclusion of UFC Fight Night 6. The finale was aired on November 11, 2006.
Sixteen mixed martial artists, who have all fought and lost in the UFC, get a chance to put their careers back on track. The winners will receive $100,000 and a shot at the World Championship in the Welterweight and Middleweight divisions.
The fighters will live together in a house for five weeks. They will be divided into two teams, chosen by a random draw. They will train together as a team with legendary fighters and trainers including: Randy "The Natural" Couture, Geroges "Rush" St. Pierre, Chuck Liddell, Rich Franklin, Matt Hughes, Mark DellaGrotte, and Marc Laimon.
Featuring: Travis Lutter, Charles McCarthy, Gideon Ray, Jorge Rivera, Rich Clementi, Mikey Burnett, Jeremy Jackson, Pete Spratt, Pete Sell, Scott Smith, Patrick Cote, Edwin DeWees, Shonie Carter, Chris Lytle, Matt Serra and Din Thomas.