Will takes off his shirt to show the guys in the club how to bust a move in the new sneak peek of "Glee". FOX released a clip from the October 21 episode titled "Mash Up" where the Gleeks are dancing to Young MC's "Bust a Move".
Beside the rap song, the episode will also feature songs such as Neil Diamond's "Sweet Caroline", Julie Andrews' "I Could Have Danced All Night" from "My Fair Lady" and Sisqo's "Thong Song". The first two are performed by Puck and Emma respectively.
Inspired 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 this episode, fans of the show will also meet for the first time Puck's mom, Mrs. Puckerman, who is played by Gina Hecht.