The first season premiered on July 20, 2005, with Lauren Sánchez in her only season as host, Nigel Lythgoe as the main judge, and Mary Murphy, Dan Karaty, Mia Michaels and Brian Friedman as most frequent guest judges.
The main auditions for this season were held in following cities: Auditioners had one minute to impress the judges.
Judges: Nigel Lythgoe, Mary Murphy, Dan Karaty, Mia Michaels, Brian Friedman, Alex Da Silva Hollywood week was held in Hollywood in Los Angeles, California.
This number was cut down to 8 females and 8 males, a total of 16 dancers that came through to the live shows.
Judges: Brian Friedman, Mia Michaels, Nigel Lythgoe and Dan Karaty Judges: Nigel Lythgoe, Mary Murphy, Dan Karaty and Brian Friedman Judges: Mia Michaels, Brian Friedman, Mary Murphy and Nigel Lythgoe Judges: Brian Friedman, Mia Michaels, Nigel Lythgoe and Dan Karaty Judges: Dan Karaty, Nigel Lythgoe, Mary Murphy and Brian Friedman Judges: Mia Michaels, Nigel Lythgoe, Mary Murphy and Dan Karaty Judges: Brian Friedman, Mia Michaels, Nigel Lythgoe, Mary Murphy and Dan Karaty Judges: Brian Friedman, Mia Michaels, Nigel Lythgoe, Mary Murphy and Dan Karaty