The all-new fall season of So You Think You Can Dance begins with dancers auditioning in Los Angeles, California for a chance to earn a ticket for Las Vegas Callbacks. Adam Shankman helps out Mary Murphy and Nigel Lythgoe on the judge's panel.

Auditions in Boston, Massachusetts. Dancers try to impress the judges and earn a ticket for Las Vegas Callbacks. The guest judge joining the panel this week is Tyce Diorio.

Dancers auditioning for a chance to earn a ticket for Las Vegas Callbacks.

Round five of auditions continue.

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

Las Vegas call-backs begin.

The call-backs for Las Vegas continue.

The dancers compete in the final round in Las Vegas. Later, the names of the Top 20 are revealed.

Meet the Top 20 contestants in their one chance to perform without the fear of being eliminated.

The Top 20 dancers are paired up and get their first chance to perform. The judges eliminate two dancers as the show ends.

The remaining 18 dancers perform for a chance to impress the judges. Two more will be eliminated at the end of the episode.

The 16 dancers who remain in the competition perform.

Two of the final 16 dancers are sent home.

The 14 remaining dancers perform.

Orianthi performs. The final 12 dancers are revealed as two more performers are eliminated.

The remaining 12 dancers compete for inclusion in the top 10.

Shakira performs. Two more dancers are eliminated as the 10 finalists are revealed.

The top 10 contestants perform.

Two contestants are eliminated; special performances by Snoop Dogg with Quest Crew and Legion of Extraordinary Dancers.

The remaining eight contestants perform.

Kris Allen and Wonder Girls perform. Two contestants are eliminated.

The top six contestants perform.

Adam Lambert performs. The winner is announced.