The judges have traveled across the country in search of America's favorite dancer. Tens upon thousands of dancin' fools shook their moneymakers for the chance to join the competition. Almost 200 have made it to the next step on their journey: the Las Vegas callback round. For the next four days, these dancers would strive to survive the massive cuts in Sin City and earn a spot in Season 9's Top 20. (thetvdb.com)