Auditions in St. Louis.

Auditions are held in San Francisco.

Auditions are held in New York City.

Auditions continue in New York City.

Auditions are held in Tampa.

Auditions in Tampa, Florida, continue.

Austin is the backdrop for auditions.

Auditions continue in Austin.

Auditions are held in Tampa.

The Final auditions are held.

Acts compete for a position in the Top 48. From Las Vegas.

Acts compete for a position in the Top 48. From Las Vegas.

The top 48 contestants are revealed.

AGT kicks off with a Red Carpet Special in New York before the Top 48 contestants compete for the million-dollar prize.

Four acts advance to the Top 24 in a results episode.

12 of the top 48 acts perform. Four acts advance to the Top 24 in a results episode.

Four winning acts advance to the Top 24.

Twelve of the Top 48 acts perform.

Twelve of the top 48 acts perform.

Four of the top 12 acts advance to the next round.

12 of the top 48 acts perform for the judges.

Four acts move on to the top 24.

12 YouTube acts perform for the judges.

4 of the 12 YouTube acts to the semi-finals.

12 previously eliminated acts return for a 2nd chance to advance to the next round.

4 of the 12 Wild Card acts advance to the semi-finals.

12 of the top 48 acts perform for the judges.

3 of the 12 acts advance to the finals.

12 of the 48 acts perform for the judges.

3 of the 12 acts advance to the finals.

The top 6 acts perform for the judges.

The top 6 acts perform for the judges.