The Ultimate Fighter is a reality television series and mixed martial arts (MMA) competition, originating from the United States, and produced by Spike TV and the Ultimate Fighting Championship (UFC). On this show, professional MMA fighters that have yet to make a big name for themselves are situated in a house outside of Las Vegas, Nevada and compete against each other for the title of The Ultimate Fighter, winning a six-figure, multi-fight contract with the UFC.

Source: Wikipedia.org