Glee Does Grease: First Look at Chris Colfer, Dianna Agron and Cast on Set! [PHOTOS]

On the January 17 episode — Glee Season 3: Episode 10: "Yes/No" — the New Directions will pay tribute to the hit musical Grease with a special performance of the classic Danny and Sandy song, "Summer Nights." Take a look at some of the first on-set photos!





Source: http://www.wetpaint.com/glee/gallery/glee-does-grease-first-look-at-chris-colfer-dianna-agron-and-cast-on-set-photos