The show features a format where dancers trained in a variety of dance genres enter open auditions held in a number of major U.S. Since the second season, it has been hosted by English former children's television personality and game show emcee Cat Deeley. The first season was hosted by American news personality Lauren Sánchez.
It was created by American Idol producers Simon Fuller and Nigel Lythgoe and is produced by 19 Entertainment and Dick Clark Productions The series premiered on July 20, 2005, with over ten million viewers and ended the summer season as the top-rated show on television. So You Think You Can Dance ( SYTYCD) is an American reality television dance competition show that airs on Fox in the United States and is the flagship series of the international So You Think You Can Dance television franchise.