In Wednesday's episode of Glee, the club is trying to come up with ideas for their sectionals music mash-up. Puck has a number in mind with "Sweet Caroline." It seems the football jock is serenading Rachel, and Finn does not look pleased. Has this love triangle turned into a quadrangle?
"Bust a Move" with Glee in the clips below and check out other sneaks of this Wednesday's episode, which include Emma in a wedding dress, Matthew Morrison belting "The Thong Song" and more.