Las Vegas

what happens

Auditions in six cities brought more than 200 dancers to Las Vegas for the callbacks on "So You Think You Can Dance?" By the end of the two-hour episode, that group would be hacked to the 20 finalists -- 10 guys and 10 girls -- that will compete for the top prize this season. Host Cat Deeley promised the most competitive Vegas week ever, with the dancers being challenged each day in a different types of choreography. The six-judge panel included husband-and-wife choreography team Tabitha and Napoleon, Mia Michaels and Debbie Allen, who joined regular judges Mary Murphy and Nigel Lythgoe.