Amy and Bernadette plan a rooftop prom on The Big Bang Theory. "The Prom Equivalency" is the eighth episode of the show's eighth season.
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Amy and Bernadette discuss female scientists who use their sexuality on The Big Bang Theory.
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Raj and Sheldon head into a steam tunnel for an experiment on The Big Bang Theory. "The Expedition Approximation" is the sixth episode of the show's eighth season.
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The boys look to make something new and cool but end up procrastinating on The Big Bang Theory. "The Focus Attentuation" is the fifth episode of the show's eighth season.
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Raj gets into trouble when his girlfriend gives Penny the cold shoulder on The Big Bang Theory. "The Hook-Up Reverberation" is the fourth episode of the show's eighth season.
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Wolowitz practices before pitching in the big game on The Big Bang Theory. "The First Pitch Insufficiency" is the third episode of the show's eighth season.
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Everyone is shocked when Howard signs up to take Sheldon's class on The Big Bang Theory. "The Junior Professor Solution" is the second episode of the show's eighth season.
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A little help here? Sheldon is in Arizona on The Big Bang Theory Season 8 premiere.
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Mayim Bialik plays Amy Farrah Fowler on The Big Bang Theory
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Melissa Rauch plays Bernadette Rostenkowski on The Big Bang Theory
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Kunal Nayyar plays Raj Koothrappali on The Big Bang Theory
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Simon Helberg plays Howard Wolowitz on The Big Bang Theory
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TBBT Quotes

Penny: What actor holds the record for being named People magazine's Sexiest Man Alive?
Sheldon: William Shatner!
Leonard: I don't think it's Shatner.
Sheldon: Then it's got to be Patrick Stewart

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.