STAGE TUBE: Behind the Scenes of GLEE's 'WHAT MAKES YOU BEAUTIFUL'

Check out this sneak peek from GLEE's upcoming "Prom-asaurus" episode, featuring behind-the-scenes footage of and cast interviews about the show's rendition of "What Makes You Beautiful." Watch the video!

On the May 8 episode, the students celebrate the end of the school year by partying and performing at the dinosaur-themed McKinley High prom. The episode airs Tuesday at 8:00 pm/ET on the Fox network.

GLEE is a musical comedy about a group of eager and ambitious students who strive to outshine their singing competition to win Nationals while navigating the cruel halls of McKinley High. Since its debut, GLEE has become a bona fide cultural phenomenon, received prestigious honors including the Golden Globe and Peabody Award and singlehandedly made glee clubs cool again.

GLEE is produced by Ryan Murphy Television in association with 20th Century Fox Television. Ryan Murphy, Brad Falchuk and Ian Brennan are co-creators of the series. Murphy, Falchuk, Brennan and Dante di Loreto serve as executive producers.

Check out audio clips from the episode here, and watch the video preview below!