GLEE Preview: "Wonder-ful" With Guest Star Katey Sagal

Photo: FOX

On Thursday, May 2, the fourth season of GLEE continues on FOX at 9 p.m. ET/PT with "Wonder-ful."

The members of New Directions take on the greatest hits of music icon Stevie Wonder.

Meanwhile, Artie receives news that could affect his future and his mom (guest star Sagal).

In New York, Rachel prepares for her "Funny Girl" callback.

Watch a few sneak peek videos 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: Katey Sagal as Nancy Abrams; Kate Hudson as Cassandra July; Jacob Artist as Jake Puckerman; Melissa Benoist as Marley Rose; Becca Tobin as Kitty Wilde; Alex Newell as Wade Adams; and Blake Jenner as Ryder Lynn; Lauren Potter as Becky Jackson; Mike O'Malley as Burt Hummel; and Romy Rosemont as Carole Hudson-Hummel.

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