Season 1
- 1Applications + Preliminary auditions 014 Dec 2011
- 2Applications + Preliminary auditions 0211 Dec 2011
- 3Episode 0318 Dec 2011
- 4Episode 0425 Dec 2011
- 5Episode 051 Jan 2012
- 6Ranking Audition 03 + Casting Audition 018 Jan 2012
- 7Casting Audition 0215 Jan 2012
- 8Casting Audition 0322 Jan 2012
- 9Casting Audition 0429 Jan 2012
- 10Episode 105 Feb 2012
- 11Episode 1112 Feb 2012
- 12Episode 1219 Feb 2012
- 13Episode 1326 Feb 2012
- 14Episode 14 (March 4) : Mission 1. My Story4 Mar 2012
- 15Episode 15 (March 11) : Mission 2. Million Seller11 Mar 2012
- 16Episode 16 (March 18) : Mission 3. My Idol's Song18 Mar 2012
- 17Episode 17 (March 25) : Mission 4. Movie·Drama O.S.T25 Mar 2012
- 18Episode 18 (April 1) : Mission 5. Judge's Designated Song1 Apr 2012
- 19Episode 19 (April 8) : Mission 6. Viewer's Requested Song8 Apr 2012
- 20Episode 20 (April 15) : Mission 7. Results of the Three Final Trainings15 Apr 2012
- 21Episode 21 (April 22) : Mission 8. Free Song Choice22 Apr 2012
- 22Episode 22 (April 29) : Mission 9. FINAL29 Apr 2012