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First Look Inside Glee’s Whitney Houston Tribute! Preview of Mercedes, Rachel, Santana and Kurt in Season 3, Episode 17 (VIDEO)

Tuesday night's Glee Season 3, Episode 17: “Dance With Somebody” will be all about the New Directions learning to prepare for graduation, and say goodbye, through the music of Whitney Houston. Of course, there will be plenty of tender and emotional moments — especially in the moving performance of "How Will I Know" — but there will be plenty of upbeat songs, too! Here's a sneak peek of what's in store.

Original airdate: Tuesday, April 24 at 8pm on Fox