Rachel performs on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Blaine's obviously more of a Gaga on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Artie performs with wings on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Becky watches a performance in costume on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Sam performs a number with wings on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Sam directs the newest performance on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Ryder, Artie, Blaine, and Marley are directed during a new performance on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Adam Lambert guest stars as Eliot Starchild on Glee. "A Katy or a Gaga" is the fourth episode of the show's fifth season.
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Glee Quotes

Sue: I don't care for your attitude.
Santana: Well I don't give a hot wet monkey's ass what you care for.

Quinn: Home for the holidays, just like we promised.
Finn: Guys, I...
Puck: Dude, if you start crying, I'm gonna kick your ass. Group hug!