Here's how Fox describes the May 1 episode entitled "Choke": "Rachel (Lea Michele) and Kurt (Chris Colfer) finally get to audition for NYADA, but their nerves are rattled when they find out it's for the dean (guest star Whoopi Goldberg). Meanwhile, Coach Beiste (Dot-Marie Jones) reveals a secret, and Sue Sylvester (Jane Lynch) and Coach Roz (guest star NeNe Leakes) lend a helping hand."

"Prom-asaurus" will air May 8. In that episode, "Brittany (Heather Morris) goes into high gear as class president to spearhead the prom. Then, after prom king and queen nominations are announced, the kids kick into campaign mode, and some of the outcasts organize a rival celebration."

The May 15 and May 22 episodes will be special two-hour events. Here's how Fox describes the May 15 episode: "As the countdown to graduation continues, the kids of New Directions prepare a high-concept routine for Nationals. When Tina (Jenna Ushkowitz) bumps her head, the world of New Directions is turned upside down in her eyes. Then, the New Directions perform at Nationals for celebrity judge Lindsay Lohan (guest-starring as herself)."

In the May 22 season three finale, according to press notes, "graduation is finally here, as McKinley High's class of 2012 looks to the past and present, while contemplating the future."

"Glee" airs Tuesday nights at 8 PM ET on Fox. For more information visit Fox.com/Glee.