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'm gonna miss all of you. I love you guys.

Puck

[to Rachel] They say you have to lose everything before you can really find yourself.

Rachel's dad