In the episode that will air from 9 PM-10 PM ET, "the McKinley High School’s glee club 'New Directions' travels from Lima, Ohio to New York City to compete in the national glee club competition," according to press notes. "While taking in the sights of New York City, Rachel (Lea Michele) and Kurt (Chris Colfer) sneak onto the stage of the Broadway blockbuster Wicked to perform one of the show’s hit songs, 'For Good.'"
In addition, Matthew Morrison's character Will Schuester will perform "Still Got Tonight," from Morrison's debut album, and Tony Award winner Patti LuPone will make a special appearance.
"Glee" airs Tuesday nights on Fox.
