Prologue: The Competition

The Dazzlings have taken over Canterlot High by proposing a "Battle Of The Bands." Only one winner can be determined. The Rainbooms have been doing well, and they hope to go against The Dazzlings, freeing the school from the Sirens' curse. After the semi-finals, Principal Celestia announces that Big Time Rush will go up against the Dazzlings. The Rainbooms become devastated. Can the four hockey players from Minnesota save their fellow students from the Sirens' wrath?