Season 4
All Episodes
Episode 1
Audition Show #1 New York, Chicago, Seattle
June 23, 2009
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.
Episode 2
Audition Show #2 Seattle(2), Miami
June 24, 2009
The judges travel to Miami for the first time in AGT audition history, in hopes of finding the next million-dollar act.
Episode 3
Audition Show #3 New York(2), Chicago(2)
June 30, 2009
The coast-to-coast auditions continue as the judges search for the next million-dollar act.
Episode 4
Audition Show #4 Houston, Miami(2)
July 1, 2009
The judges continue their search for the next million dollar act.
Episode 5
Audition Show #5 Los Angeles
July 7, 2009
The judges continue their coast-to-coast search for the next big thing.
Episode 6
Audition Show #6 Houston(2)
July 8, 2009
The judges continue their coast-to-coast search for the next big thing.
Episode 7
Audition Show #7 New York(3)
July 14, 2009
Auditions are now being held in New York City. Will the judges like what they see?
Episode 8
Audition Show #8 Seattle(3)
July 15, 2009
Performance showcases are featured in the eighth audition installment.
Episode 9
MySpace.com audition show
July 21, 2009
Performance showcases are featured in the ninth audition installment.
Episode 10
Final audition show
July 22, 2009
Performance showcases are featured in the 10th and final audition installment.
Episode 11
Vegas Verdicts (1)
July 28, 2009
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.
Episode 12
Vegas Verdicts (2)
July 29, 2009
In the second "Vegas Verdicts" installment, the judges debate the fates of the hopeful contestants to determine the Top 40 acts.
Episode 13
Live Performances (1)
August 4, 2009
Ten of the Top 40 acts showcase their talents in the first performance edition.
Episode 14
Results (1)
August 5, 2009
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.
Episode 15
Live Performances (2)
August 11, 2009
Ten acts from the Top 40 take to the stage in the second performance installment.
Episode 16
Results (2)
August 12, 2009
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.
Episode 17
Live Performances (3)
August 18, 2009
The third performance episode showcases 10 acts from the Top 40.
Episode 18
Results (3)
August 19, 2009
Five acts win a slot in the sought-after Top 20 in a results show. Daughtry and Ashley Tisdale perform.
Episode 19
4th Ten of Top 40 Perform (live)
August 25, 2009
The Top 40 acts have been narrowed to 10 and are featured in the fourth performance show.
Episode 20
4th Results Show: Final 5 move on to Top 20 (live)
August 26, 2009
Five final acts win a position in the Top 20 in a results show.
Episode 21
Semifinals, Group 1
September 1, 2009
The semifinals kick off with the first 10 acts from the Top 20 taking the stage.
Episode 22
Semifinals, Group 1 Results
September 2, 2009
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.
Episode 24
Semifinals, Group 2 Results
September 9, 2009
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.
Episode 25
Final Performances
September 14, 2009
The final performance episode features the 10 finalists in showcases.
Episode 26
Final Results
September 16, 2009
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.