This episode airs on November, 16 and you can watch it here on 17. Watch Glee Season 2 Episode 7 The Substitute Preview
Will gets sick so a substitute teacher is called in, Holly Holiday (Gwyneth Paltrow). She also picks up his duties as coach for the New Directions, and teaches the kids to have a little fun.
Features the music of: Rihanna, Singing in the rain, Cee Lo Green