The top 18 contestants try to impress the judges with their performances. See who dances into America's hearts and who trips up in this special two-hour episode of SO YOU THINK YOU CAN DANCE.(TV-PG D, L).

The remaining 16 contestants perform for the judges and try to prove why they should be named the country's best dancer. See who steps into America's heart with smooth moves and who collapses under the pressure on this special two-hour "Top 16 Perform" episode of SO YOU THINK YOU CAN DANCE .