After their arduous journeys, the top two fighters go head-to-head in a battle for the $250,000 prize and the ultimate title of "The Contender"; from the Forum in Los Angeles.

Friends become foes in the last two quarterfinal bouts; with the semifinals just around the corner, one fighter tries to refocus, while another is hungry for redemption.

One fighter faces a doctor's evaluation to decide whether he can continue in the tournament; another fighter nearly gets into a fight with a fellow boxer inside the house; two Contenders face off against each other.

Stand-up comics on the verge of breaking out and becoming the next big name offer insights into the motivations behind baring one's soul for a living.

Candidates vie to land a job with Donald Trump.

The training and development of professional Ultimate Fighters.

The training and development of professional Ultimate Fighters.

Contestants compete to prove they can make it as a supermodel.

America's best undiscovered talent goes head-to-head on teams led by four of today's biggest musical icons, who playfully compete against each other while mentoring these inspiring singers in search of the next superstar Voice.