The first of four semifinal rounds is featured. Two acts will move on to the finals---one chosen by celebrity judges David Hasselhoff, Brandy and Piers Morgan; the other by viewers. Regis Philbin hosts.

Two more finalist spots are up for grabs as performers compete in the third of four semifinal rounds. Brandy, David Hasselhoff and Piers Morgan are the judges. Regis Philbin hosts.

The fourth and final semifinal round. David Hasselhoff, Brandy and Piers Morgan serve as judges. Regis Philbin hosts.

A wild-card competition features 10 deserving but overlooked acts from the semifinals competing for two additional spots in next week's $1 million finale. Among the performers getting a second chance are: Nathan Burton; Leonid the Magnificent; All That; Natasha Le; Corina Brouder; Jessica Sanchez; Bobby Badfingers; N'Versity; Quick Change; and Alexis Jordan. Regis Philbin hosts.

Season 1 of the talent show concludes with host Regis Philbin announcing which one of the 10 finalists viewers chose to win the $1 million prize. Judges Piers Morgan, Brandy and David Hasselhoff offer their opinions on the top act. Blue Man Group and singing duo Aly and AJ perform.

The winning act is revealed in the Season 5 finale, which features performances by an array of Las Vegas and Hollywood stars.

Acts compete for a position in the Top 48. From Las Vegas.

The top 6 acts perform for the judges.

Five acts advance to the finals, rounding out the top 10; Little Mix performs; acrobatic gymnasts AcroArmy perform.

The contestants from the top 10 acts compete for the last time, and hope to win the competition and the $1 million prize; a special performance from Flo Rida and The Rockettes.

Exciting surprises and highlights of the final performances; the Season 10 winner is revealed; performances by special guests include Rachel Platten, Penn & Teller, Yolanda Adams and the Harlem Gospel Choir, Terry Fator, Freelusion and Mat Franco.

Before the Live Shows begin, relive the best moments from the season so far, including the Judges Golden Buzzer saves.

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The second of four semifinal rounds finds acts vying for two more finalist spots to be determined by viewers and judges Brandy, David Hasselhoff and Piers Morgan. Regis Philbin is the host.

Terry Crews recaps the road to the finale and the 11 acts up for the $1 million prize.

The last round of tryouts. David Hasselhoff, Brandy and Piers Morgan serve as judges. Regis Philbin hosts.

Talent-show hopefuls take part in the second round of auditions, judged by David Hasselhoff, Piers Morgan and Sharon Osbourne. Jerry Springer hosts.

The third round of auditions. Jerry Springer hosts.

The auditions continue as people showcase their talents in hopes of making it to the Las Vegas callbacks and one step closer to winning the million dollar grand prize and the contract in Vegas.

The auditions continue as people showcase their talents in hopes of making it to the Las Vegas callbacks and one step closer to winning the million dollar grand prize and the contract in Vegas.

The auditions continue as people who auditioned online on MySpace showcase their talents in hopes of making it to the Las Vegas callbacks and one step closer to winning the million dollar grand prize and the contract in Vegas

The Season 2 opener of the talent show, in which various entertainers compete for fame and a $1 million prize. Jerry Springer is the new host and Sharon Osbourne is a new judge, joining returning arbiters David Hasselhoff and Piers Morgan.

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Conclusion. The top acts from the four auditions return for the Las Vegas callbacks. Jerry Springer hosts.

The Top 20 acts square off in the first week of performance shows.