The competition continues as 10 more of the most talented, memorable and all-around fan favorite acts perform for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Four acts will advance, including one who will receive a Golden Buzzer.

Ten of the most memorable acts from around the globe perform for the judges. Four of these acts will advance - two chosen by a panel of superfans, one Judges' Choice and one who will receive a Golden Buzzer to perform in the finale.

Ten more of the most talented acts perform for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Four acts will advance, including one who will receive a Golden Buzzer to perform in the finale.

Twelve finalists perform for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Six of these renowned acts will move on to the finals, five will be voted through by a panel of Superfans and one will be the Judges’ Choice.

Gabrielle Union and Julianne Hough join judges Simon and Howie as contestants and variety acts audition for the chance to win $1 million; recipients of the Golden Buzzer proceed directly to the Los Angeles Live Shows to compete for America's vote.

Comedy legend Jay Leno joins the panel as a guest judge and gets the opportunity to send an act directly to the Live Shows with a Golden Buzzer; contestants have one last chance to impress the judges before going live for America's vote.

A final group, including 10 of the competition's most talented acts, performs for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Four acts will advance, including one who will receive a Golden Buzzer to perform in the finale.

The Top 10 finalists perform, including four Golden Buzzer acts and six performers from the Semifinals, for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. America’s Superfans vote to determine who will be named the ultimate Champion.

In the finale, the ultimate Champion is crowned in front of judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Special guests take the stage with the finalists for memorable performances.

The top 10 acts perform one last time, live from the Dolby Theatre, for their chance to win $1 million dollars and be named the most talented act in America, with Simon Cowell, Gabrielle Union, Julianne Hough, Howie Mandel and host Terry Crews.

NBA superstar Dwyane Wade joins the panel as a guest judge and gets the opportunity to send an act directly to the Live Shows with a Golden Buzzer; contestants have one last chance to impress the judges before going live for America's vote.

Auditions continue as contestants of all ages and variety acts of all types audition for the chance to win the $1 million prize; the Golden Buzzer is back, but there are only four chances left for acts to proceed directly to the Los Angeles Live Shows.

Semi-finalists perform live at the Dolby Theatre in Los Angeles for a chance to win $1 million and be named the most talented act in America, with Judges Simon Cowell, Gabrielle Union, Julianne Hough and Howie Mandel and Host Terry Crews.

Only five of the previous night's performers will move on to the Finals; viewers will have one last chance to send their favorite performer to the next round by participating in the Dunkin' Save - also featuring a surprise guest performance!

Auditions continue as variety acts of all types and contestants of all ages audition for the chance to win the $1 million prize; the Golden Buzzer is still in play, and three more lucky acts have the chance to go directly to the Live Shows.

Auditions continue as variety acts of all types and contestants of all ages audition for the chance to win the $1 million prize; the Golden Buzzer is still in play for two more lucky acts to go directly to the Live Shows in Los Angeles.

Country music superstar Brad Paisley joins the panel as a guest judge and gets to send an act directly to the Live Shows with a Golden Buzzer; contestants have one last chance to impress the judges before America votes in the live rounds.

Performers take the stage live from the Dolby Theatre in Hollywood as judging is turned over to the American viewing audience. With Judges Simon Cowell, Gabrielle Union, Julianne Hough, Howie Mandel and Host Terry Crews.

Semi-finalists perform live at the Dolby Theatre in Los Angeles for a chance to win $1 million and be named the most talented act in America, with Judges Simon Cowell, Gabrielle Union, Julianne Hough and Howie Mandel and Host Terry Crews.

Auditions conclude as variety acts of all types and contestants of all ages audition for the chance to win the $1 million prize; the Golden Buzzer will send one more lucky act directly to the Live Shows in Los Angeles.

Performers take the stage live from the Dolby Theatre in Hollywood as judging is turned over to the American viewing audience. With Judges Simon Cowell, Gabrielle Union, Julianne Hough, Howie Mandel and Host Terry Crews.

Emmy-nominated actress Ellie Kemper joins the panel as a guest judge and gets the opportunity to send an act directly to the Live Shows with a Golden Buzzer; contestants have one last chance to impress the judges before going live for America's vote.

Seven acts from the previous night's show will move on to the Semifinals round of competition. Viewers will have one last chance to send their favorite performer to the next round by participating in the Dunkin' Save.

Seven acts from the previous night's show will move on to the Semifinals round of competition. Viewers will have one last chance to send their favorite performer to the next round by participating in the Dunkin' Save.

Auditions continue as variety acts of all types and contestants of all ages audition for the chance to win the $1 million prize; the Golden Buzzer is still in play for one more lucky act to go directly to the Live Shows in Los Angeles.