Nick, Howie, Heidi, Mel B and Howard continue their quest for America's most talented performers.

Hopefuls perform for the judges.

Hopefuls perform for the judges.

The 5th group of potential contestants performs for the judges tonight hoping to be selected to move on in the competition. This very Special Sunday edition of AGT we will see attempts to break 2 Death-defying Guinness World Records!

On the last night of auditions, Nick and the judges scour the country for the most talented performers in America.

A best-of look at the auditions is featured. Included: previously unseen interviews and behind-the-scenes footage.

Acts compete at Judgment Week in New York City for a spot in the live shows.

Judgment Week continues; the Top 48 acts are revealed.

Twelve of the top 48 acts perform in hope of earning America's vote.

After a performance recap, the first five acts advance to the semifinals.

Twelve hungry acts take the Radio City stage to compete for America's vote during Week 2 of the America's Got Talent quarterfinals.

After a performance recap, five more acts advance to the semifinals.

The third group of twelve acts perform live.

After a performance recap, five more acts advance to the semifinals.

The forth (and final) group of twelve acts perform live.

Twelve acts perform for the judges in hope of advancing to the next round and getting one step closer to the $1 million prize.

With only 24 acts left, competition for the million-dollar prize heats up.

The results of America's vote is revealed and six acts advance to the next round.

The last 12 semifinalists compete for the million-dollar prize.

Six acts advance to the next level.

The top 12 acts give it everything they have for America's votes and a shot at next week's finals.

The final six acts are revealed.

The final six acts perform one final time.

In a live, star-studded season finale, the Top 6 learn who is the winner of the million-dollar prize and a headlining act in Las Vegas.