Is this for real? 9 year-old J4 got up on the stage in front of the judges to audition. Check out what the reaction from judges Nigel Lythgoe, Mary Murphy and Christina Applegate. Plus, watch J4 take the stage with All-Stars Cyrus Glitch Spencer and Fik-Shun! We're not kidding, J4 could keep up and he had some pretty awesome move of his own! Check him out!
Interviews and singing demonstrations from the season 4 contestants and from season 3 winners Pentatonix. Also interviews with Ben Fold, Shawn Stockman, Jewel, Nick Lachey, and executive producer Mark Burnett.