Seasons & episodes
S4 · E1Audition Show #1 New York, Chicago, Seattle 2009-06-23 · 85 min
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.
S4 · E2Audition Show #2 Seattle(2), Miami 2009-06-24 · 85 min
The judges travel to Miami for the first time in AGT audition history, in hopes of finding the next million-dollar act.
S4 · E3Audition Show #3 New York(2), Chicago(2) 2009-06-30 · 85 min
The coast-to-coast auditions continue as the judges search for the next million-dollar act.
S4 · E4Audition Show #4 Houston, Miami(2) 2009-07-01 · 85 min
The judges continue their search for the next million dollar act.
S4 · E5Audition Show #5 Los Angeles 2009-07-07 · 85 min
The judges continue their coast-to-coast search for the next big thing.
S4 · E6Audition Show #6 Houston(2) 2009-07-08 · 85 min
The judges continue their coast-to-coast search for the next big thing.
S4 · E7Audition Show #7 New York(3) 2009-07-14 · 85 min
Auditions are now being held in New York City. Will the judges like what they see?
S4 · E8Audition Show #8 Seattle(3) 2009-07-15 · 85 min
Performance showcases are featured in the eighth audition installment.
S4 · E9MySpace.com audition show 2009-07-21 · 85 min
Performance showcases are featured in the ninth audition installment.
S4 · E10Final audition show 2009-07-22 · 85 min
Performance showcases are featured in the 10th and final audition installment.
S4 · E11Vegas Verdicts (1) 2009-07-28 · 85 min
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.
S4 · E12Vegas Verdicts (2) 2009-07-29 · 85 min
In the second "Vegas Verdicts" installment, the judges debate the fates of the hopeful contestants to determine the Top 40 acts.
S4 · E13Live Performances (1) 2009-08-04 · 85 min
Ten of the Top 40 acts showcase their talents in the first performance edition.
S4 · E14Results (1) 2009-08-05 · 85 min
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.
S4 · E15Live Performances (2) 2009-08-11 · 85 min
Ten acts from the Top 40 take to the stage in the second performance installment.
S4 · E16Results (2) 2009-08-12 · 85 min
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.
S4 · E17Live Performances (3) 2009-08-18 · 85 min
The third performance episode showcases 10 acts from the Top 40.
S4 · E18Results (3) 2009-08-19 · 85 min
Five acts win a slot in the sought-after Top 20 in a results show. Daughtry and Ashley Tisdale perform.
S4 · E194th Ten of Top 40 Perform (live) 2009-08-25 · 85 min
The Top 40 acts have been narrowed to 10 and are featured in the fourth performance show.
S4 · E204th Results Show: Final 5 move on to Top 20 (live) 2009-08-26 · 85 min
Five final acts win a position in the Top 20 in a results show.
S4 · E21Semifinals, Group 1 2009-09-01 · 85 min
The semifinals kick off with the first 10 acts from the Top 20 taking the stage.
S4 · E22Semifinals, Group 1 Results 2009-09-02 · 85 min
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.
S4 · E23Semifinals, Group 2 2009-09-08 · 85 min
Ten semifinal acts from the Top 20 perform.
S4 · E24Semifinals, Group 2 Results 2009-09-09 · 85 min
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.