In the 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."

Song featured in the episode include Bruce Springsteen's "Glory Days," Madonna's "I'll Remember," New Radicals' "You Get What You Want," The So Manys' "Not the End," Rod Stewart's "Forever Young," Room for Two's "Roots Before Branches" and The Beatles' "In My Life," among others.

As previously reported, the soon-to-be McKinley High graduates played by Lea Michele, Chris Colfer and Cory Monteith will return to "Glee" next season.

During the "Glee" hiatus, Oxygen Network's "The Glee Project" will air during the summer. The reality competition, which features 14 young performers competing for a multi-episode guest-starring role on "Glee," will kick off June 5 and feature Michele as the first guest mentor of the season.

Visit Fox.com/Glee.

Behind the scenes of "Goodbye":