Those musically-inclined youngsters of Glee returned to Comic-Con for the fourth year in a row, to give the fans a sneak peek at Season 4, debuting Tuesday, September 13 with the Season 4 Premiere. Today, we have video interviews with cast members Mark Salling, Cory Monteith, Lea Michele, Naya Rivera, Kevin McHale, Jenna Ushkowitz, and Darren Criss, along with the full panel video and a photo gallery. Gleek out with these new videos from the hit Fox musical series.