The ninth season begins with auditions in Dallas and New York.
A round of auditions in Los Angeles.
A round of auditions in Atlanta.
A round of auditions in Salt Lake City.
The contestants go to Las Vegas for callbacks to compete for a spot in the Top 20.
The Top 20 dancers are introduced.
The Top 20 dancers perform.
The Top 20 dancers perform for a second time, but one male and one female will be eliminated.
The Top 16 dancers perform, and two more are eliminated. Also: a performance by the members of the Alvin Ailey American Dance Theater. Christina Applegate is the guest judge.
The Top 14 dancers' performances include a tribute to choreographer Mia Michaels, and four finalists are eliminated. Michael Nunn and William Trevitt, choreographers and founders of the modern dance troupe Ballet Boyz, are the guest judges.
The Top 10 dancers perform with All-Stars from previous seasons, and two more are eliminated. Also: a performance by L.A. Dance Project. "Black Swan" choreographer Benjamin Millepied is the guest judge.
The Top 8 dancers perform with All-Stars from previous seasons, and two more are eliminated. Jesse Tyler Ferguson ("Modern Family") is the guest judge.
The Top 6 dancers perform with All-Stars from previous seasons, and two more are eliminated. Also: a performance by the AXIS Dance Company.
The final four dancers - Eliana Girard, Tiffany Maher, Cyrus Spencer and Chehon Wespi-Tschopp - perform with All-Stars from previous seasons. Also: a performance by one-legged break-dancer Jean Sok. Choreographer Rob Marshall is the guest judge.
Two winners - one male, one female - are chosen as America's Favorite Dancers in the Season 9 finale.