Rachel plans a charity event for rescue animals on Glee. "Old Dog New Tricks" is the 19th episode of the show's fifth season.
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Blaine and Sam confer in this scene from Glee. It's courtesy of the episode "Bash."
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Glee Quotes

I had sex with you because you got me drunk on wine coolers and I felt fat that day. But it was a mistake.

Quinn [to Puck]

Artie: I thought I was over someone, but I still think I have feelings for them.
Brittany: The Clintons?