Prior to their first album Into the New World, in which the show usually revolve and through the MNet show, the girls' travel and perform to the School of Rock. The show has 9 episodes (including the behind the scenes cut) that documents the events from their pre-debut years, meeting the other artist and taking every opportunity to be recognized as Idols. It was also narrated by Sungmin of Super Junior - another Boy Group of SMEntertainment.
