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

Relationships are a lot like flowers. If you find the right seed, put it in good soil, give it water and sunlight, bam. Perfect bud. And then comes winter and the flower dies. But if you tend that garden, spring will come along and that flower will bloom again.

Finn