第 4 季 共 26 集
播出时间:2009年6月24日
第 1 集 Audition Show #1 New York, Chicago, Seattle
播出时间:2009年6月24日
The talent show's fourth season opens with preliminary auditions taped in theaters across the country. Nick Cannon is the new host, replacing Jerry Springer. David Hasselhoff, Sharon Osbourne and Piers Morgan return as the judges.
第 2 集 Audition Show #2 Seattle(2), Miami
播出时间:2009年6月25日
The judges travel to Miami for the first time in AGT audition history, in hopes of finding the next million-dollar act.
第 3 集 Audition Show #3 New York(2), Chicago(2)
播出时间:2009年7月1日
The coast-to-coast auditions continue as the judges search for the next million-dollar act.
第 4 集 Audition Show #4 Houston, Miami(2)
播出时间:2009年7月2日
The judges continue their search for the next million dollar act.
第 5 集 Audition Show #5 Los Angeles
播出时间:2009年7月8日
The judges continue their coast-to-coast search for the next big thing.
第 6 集 Audition Show #6 Houston(2)
播出时间:2009年7月9日
The judges continue their coast-to-coast search for the next big thing.
第 7 集 Audition Show #7 New York(3)
播出时间:2009年7月15日
Auditions are now being held in New York City. Will the judges like what they see?
第 8 集 Audition Show #8 Seattle(3)
播出时间:2009年7月16日
Performance showcases are featured in the eighth audition installment.
第 9 集 MySpace.com audition show
播出时间:2009年7月22日
Performance showcases are featured in the ninth audition installment.
第 10 集 Final audition show
播出时间:2009年7月23日
Performance showcases are featured in the 10th and final audition installment.
第 11 集 Vegas Verdicts (1)
播出时间:2009年7月29日
In the first "Vegas Verdicts" edition, winning acts from the preliminary auditions advance to Las Vegas in the hope of securing a coveted position in the Top 40, with the judges debating their show-biz fate.
第 12 集 Vegas Verdicts (2)
播出时间:2009年7月30日
In the second "Vegas Verdicts" installment, the judges debate the fates of the hopeful contestants to determine the Top 40 acts.
第 13 集 Live Performances (1)
播出时间:2009年8月5日
Ten of the Top 40 acts showcase their talents in the first performance edition.
第 14 集 Results (1)
播出时间:2009年8月6日
The first five winning acts are selected for the Top 20 in a results edition. Mariah Carey performs, as does ventriloquist and Season 2 winner Terry Fator.
第 15 集 Live Performances (2)
播出时间:2009年8月12日
Ten acts from the Top 40 take to the stage in the second performance installment.
第 16 集 Results (2)
播出时间:2009年8月13日
Five winning acts are selected to the coveted Top 20 in a results edition. Electro hip-hop duo LMFAO and comic illusionists Penn and Teller perform.
第 17 集 Live Performances (3)
播出时间:2009年8月19日
The third performance episode showcases 10 acts from the Top 40.
第 18 集 Results (3)
播出时间:2009年8月20日
Five acts win a slot in the sought-after Top 20 in a results show. Daughtry and Ashley Tisdale perform.
第 19 集 4th Ten of Top 40 Perform (live)
播出时间:2009年8月26日
The Top 40 acts have been narrowed to 10 and are featured in the fourth performance show.
第 20 集 4th Results Show: Final 5 move on to Top 20 (live)
播出时间:2009年8月27日
Five final acts win a position in the Top 20 in a results show.
第 21 集 Semifinals, Group 1
播出时间:2009年9月2日
The semifinals kick off with the first 10 acts from the Top 20 taking the stage.
第 22 集 Semifinals, Group 1 Results
播出时间:2009年9月3日
Four acts are selected to advance to the finals in a results edition. David Hasselhoff performs, as do the Muppets' Kermit the Frog and Miss Piggy.
第 23 集 Semifinals, Group 2
播出时间:2009年9月9日
Ten semifinal acts from the Top 20 perform.
第 24 集 Semifinals, Group 2 Results
播出时间:2009年9月10日
A results edition reveals five winning acts. Members of the stage show "Jersey Boys"---a musical depicting the life of the pop group Frankie Valli and the Four Seasons---perform a medley of tunes from the show.
第 25 集 Final Performances
播出时间:2009年9月15日
The final performance episode features the 10 finalists in showcases.
第 26 集 Final Results
播出时间:2009年9月17日
The winning act is revealed in the Season 4 finale. The victor scores $1 million. Performers include "Britain's Got Talent" phenom Susan Boyle; pop songstress Shakira; English singer Leona Lewis; country's Rascal Flatts; and Cirque du Soleil.