Season one features Lauren Sánchez as host, Nigel Lythgoe as the main judge, and Mary Murphy, Dan Karaty, Mia Michaels and Brian Friedman as most frequent guest judges.
1 - 1Auditions #1 and #2: New York and Chicago Jul. 20, 2005- 1 - 2Auditions #3: Los Angeles Jul. 27, 2005
- 1 - 3Hollywood: 50 Compete Aug. 03, 2005
- 1 - 4Hollywood: 50 Cut to 16 Aug. 10, 2005
- 1 - 5Top 16 Aug. 17, 2005
- 1 - 6Top 14 Aug. 24, 2005
- 1 - 7Top 12 Aug. 31, 2005
- 1 - 8Top 10 Sep. 07, 2005
- 1 - 9Top 8 Sep. 14, 2005
- 1 - 10Top 6 Sep. 21, 2005
- 1 - 11Top 4 Sep. 28, 2005
- 1 - 12And The Winner Is... Oct. 05, 2005