photos courtesy of Frank Micelotta and Adam Rose/Fox Broadcasting Co.
The two glee club coaches encourage friendly competition, hence the first Annual McKinley High Mash Off! New Directions takes on The Troubletones, who perform a mash-up of Adele's "Rumour Has It" and "Someone Like You." Can you believe the epic mash-up is actually Glee's 300th song performance?
Meanwhile, Coach Sue (Jane Lynch) starts a smear campaign against her congressional opponent, and Puck (Mark Salling) crushes on a teacher.