Will (Matthew Morrison) wants to find a way to inspire the New Directions kids, and Sue (Jane Lynch) suggests that they tackle the epic disco soundtrack of Saturday Night Fever. There's only one problem. The Glee kids hate disco. Get a sneak peek of Glee Season 3, Episode 16: “Saturday Night Glee-ver” with this spoiler clip.
Original Air Date: Tuesday, April 17, 2012, 8/7c on Fox