Credit: Adam Rose//FOX ©2011 Fox Broadcasting Co. Photo: Tina, Artie, Rachel, Blaine, Quinn, and Mike Dance in Glee Season 3, Episode 4: “Pot O’Gold”

Mercedes (Amber Riley), Santana (Naya Rivera) and Brittany (Heather Morris) make trouble for New Directions as the Troubletones. Blaine (Darren Criss) kills another Katy Perry cover. Puck woos Shelby with a guitar and Damian McGinty (Rory) closes his debut episode with a (sweet-sounding) bang.

Watch all the performances from Glee Season 3, Episode 4: “Pot O’ Gold.”

Credit: YouTube Photo: Glee Video: Rory Performs "It Ain’t Easy Being Green" in Season 3, Episode 4, "Pot O' Gold"
Credit: TwitVid Photo: Glee Video: Mercedes, Santana and Brittany Perform "Candyman" in Season 3, Episode 4, "Pot O' Gold"
Credit: TwitVid Photo: Glee Video: Puck Performs "Waiting For a Girl Like You" in Season 3, Episode 4, "Pot O' Gold"
Credit: E! Photo: Darren Criss and New Directions Perform "Last Friday Night" in Glee Season 3, Episode 4: "Pot O' Gold" [VIDEO]
Credit: TwitVid Photo: Glee Video: Rory Performs "Take Care of Yourself" in Season 3, Episode 4, "Pot O' Gold"

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