WEDNESDAY, OCTOBER 21

--"GLEE"�(9:00-10:00 PM ET/PT) CC-HDTV 720p-Dolby Digital 5.1

CORY AND QUINN SINK TO THE BOTTOM OF THE FOOD CHAIN ON AN ALL-NEW "GLEE" WEDNESDAY, OCTOBER 21, ON FOX

Inspired the by the students, Will composes a mash-up for a very special occasion. Meanwhile, in a shocking reversal of roles, McKinley High's cool kids are dethroned in an "icy" fashion, and Sue shows off her softer side in the "Mash-Up" episode of GLEE airing Wednesday, Oct. 21 (9:00-10:00 PM ET/PT) on FOX. (GLE-108) (TV-PG D, L, S)

Cast: Matthew Morrison as Will Schuester; Jessalyn Gilsig as Terri Schuester; Jane Lynch as Sue Sylvester; Lea Michele as Rachel Berry; Cory Monteith as Finn Hudson; Jayma Mays as Emma Pillsbury; Dianna Agron as Quinn; Chris Colfer as Kurt; Kevin McHale as Artie; Amber Riley as Mercedes; Mark Salling as Puck; Jenna Ushkowitz as Tina

Guest Cast: Patrick Gallagher as Ken Tanaka; Naya Rivera as Santana Lopez; James Earl III as Azimo; Zack Lively as Lipoff; Bill A. James as Rod Remington; Earlene Davis as Andrea Carmichael; Max Adler as Dave Karofsky; Gina Hecht as Puck's Mom; Heather Morris as Brittany; Dijon Talton as Matt Rutherford; Harry Shum as Mike Chang