Hot Video: Glee Gets Saturday Night Fever

First Glee paid tribute to Grease, and now the Fox hit is tackling another John Travolta classic. Next Tuesday, New Directions will be stayin’ alive with a Saturday Night Fever-themed episode, and we’ve got a behind the scenes sneak peek at the cast’s ’70s flashback.

First Look: Glee Pays Homage to Whitney Houston and Saturday Night Fever

Press PLAY and watch Mercedes take on “Disco Inferno” (“She killed it,” raves co-star Jane Lynch), while Jenna Ushkowitz tries to wrap her head around the disco era’s far out dance crazes.

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