Credit: Frank Micelotta/FOX ©2011 Fox Broadcasting Co. Photo: Santana and the Troubletones Sing in Glee Season 3, Episode 6: “Mash Off”

Watch all the musical goodness from this week's Glee Season 3 episode, "Mash Off," here!

Credit: TwitVid Photo: VIDEO: Puck Performs "Hot for Teacher" in Glee Season 3, Episode 6, "Mash Off"
Credit: twitvid Photo: VIDEO: Will and Shelby Perform a "You and I" Mashup in Glee Season 3, Episode 6, "Mash Off"
Credit: twitvid Photo: VIDEO: Finn, Santana and the Glee Clubs Perform "Hit Me With Your Best Shot"/"One Way or Another" in Glee Season 3, Episode 6, "Mash Off"
Credit: twitvid Photo: VIDEO: New Directions Perform "I Can't Go For That"/"You Make My Dreams Come True" in Glee Season 3, Episode 6, "Mash Off"
Credit: YouTube Photo: Glee Video: The Troubletones Perform Adele's "Rumour Has It"/"Someone Like You" in Season 3, Episode 6, "Mash Off" [WATCH]

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