Oud-leerlingen Puck, Quinn, Santana, Mercedes, Brittany, Artie en Tina keren terug naar McKinley om Rachel en Kurt te helpen leden te vinden voor een nieuwe Glee Club.
Gastrollen:
Dianna Agron(Quinn Fabray), Mark Salling(Noah Puckerman), Jenna Ushkowitz(Tina Cohen-Chang), Heather Morris(Brittany S. Pierce), Naya Rivera(Santana Lopez), Becca Tobin(Kitty Wilde), Lauren Potter(Becky Jackson), Max Adler(Dave Karofsky), Noah Guthrie(Roderick Meeks), Marshall Williams(Spencer Porter), Billy Lewis Jr.(Mason McCarthy), Laura Dreyfuss(Madison McCarthy), Samantha Marie Ware(Jane Hayward), Ryan Grainger(Warbler), Jacy King(Janet), Myko Olivier(Head Warbler), Alex Mentzel(Warbler #1), Parker Harris(Warbler #4), Nick Fink(Warbler #6), Connor McCabe(Gabriel), Madeline Bertani(Martha), Bobo Chang(Terrified Dalton Student), Mason Trueblood(Super Gay Warbler), Austin Brue(Other Really Gay Warbler), J.P. Dubé(Warbler #2), Max Wilcox(Warbler #5), Rilan Roppolo(Warbler #7), Jordan Ward(Warbler #3)