Two of the final 16 dancers are sent home.

The 16 dancers who remain in the competition perform.

The 18 remaining dancers perform; two dancers, one male and one female, are eliminated.

The top 20 dancers, paired up as couples, perform; the judges eliminate two dancers.

The top 20 contestants each get a chance to perform without fear of elimination.

The dancers compete in the third and final part of the Las Vegas round; the top 20 dancers are revealed.

Las Vegas call-backs continue.

Las Vegas call-backs begin.

Dancers from across the country audition in hopes of impressing the judges.

Dancers from across the country audition in hopes of impressing the judges.