Challengers go head to head in this Glee episode, aptly titled “Mash Off.”

Glee Season 3 Episode Guide
Glee Mash Off Summary – FOX

Sue starts a smear campaign to take down her biggest competitor for the Congressional seat. Meanwhile, Puck has a crush, and Will and Shelby Corcoran encourage some friendly competition in the all-new “Mash Off” episode airing Tuesday, Nov. 15 (8:00-9:00 PM ET/PT) on FOX. Directed by Eric Stoltz. Written by Michael Hitchcock.

Glee Pictures

Image Credit: Cr: Adam Rose/FOX

Glee Songs in Mash Off

“Hot for Teacher” – Puck with Mike and Finn
“You and I” / “You and I” – Shelby and Will
“Hit Me with Your Best Shot” / “One Way or Another” – New Directions and the Troubletones
“I Can’t Go for That” / “You Make My Dreams” – New Directions
“Rumour Has It” / “Someone Like You” – Santana, Mercedes and the Troubletones