In the season finale episode, titled "All or Nothing," it's finally time for Regionals, and the glee club is more determined than ever to advance to Nationals. Brittany returns from her MIT trip with a new attitude and Ryder finally has a lead on who is "catfishing" him.
Patty Duke, Meredith Baxter and Season 12 AMERICAN IDOL Runner-Up Jessica Sanchez make guest appearances.
Watch a sneak peek below:
Cast: Matthew Morrison as Will Schuester; Lea Michele as Rachel Berry; Cory Monteith as Finn Hudson; Amber Riley as Mercedes Jones; Chris Colfer as Kurt Hummel; Mark Salling as Noah Puckerman; Kevin McHale as Artie; Jenna Ushkowitz as Tina; Naya Rivera as Santana Lopez; Heather Morris as Brittany; Darren Criss as Blaine Anderson; Chord Overstreet as Sam Evans.
Guest Cast: Patty Duke as Jan; Meredith Baxter as Liz; Jessica Sanchez as Frida Romero; NeNe Leakes as Coach Roz Washington; Jacob Artist as Jake Puckerman; Melissa Benoist as Marley Rose; Becca Tobin as Kitty Wilde; Alex Newell as Wade Adams; Blake Jenner as Ryder Lynn; Vanessa Lengies as Sugar Motta; Samuel Larsen as Joe Hart
- Patty Duke & Meredith Baxter Join GLEE [SPOILER ALERT]
- GLEE Star Cory Monteith Checks Into Rehab, Will Miss Season's Final Two Episodes