Top Twenty Chosen

SO YOU THINK YOU CAN DANCE wraps up second round of call-backs in Las Vegas tonight. Watch some of the country's best dancers, skilled in everything from jive and hip hop to tap and jazz, test their luck with the judges and find out who wins big and who goes home when the Top 20 finalists are chosen on the "Las Vegas Call-Backs #2" episode of SO YOU THINK YOU CAN DANCE.