McKinley High is back in session as the cast of Glee reported back to work to begin filming season three of the hit series earlier this month. During their shooting break, stars Chris Colfer, Amber Riley and Cory Monteith sat down to talk about the excitement of heading back to the studio after a summer on tour. Now that the Glee team has already been to Nationals, Colfer joked about their possible international and even intergalactic competition. Could the New Directions team be dueling it out with some singing aliens? Click below to find out and remember to tune into the show's season premiere on September 20 on FOX!