The gang introduces Penny to Star Wars Day on May 4th.
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Sheldon talks to Leonard wearing a robe in their kitchen.
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Is Sheldon sleeping with the Geology book? Nice robe!
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Sheldon has a Geology book. Why would he have that?
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Barry Kripke annoys Sheldon and Howard during their lunch break.
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Sheldon knocks on a hallway door with Amy on "The Relationship Diremption."
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Penny, Leonard and Amy toast Sheldon on "The Relationship Diremption."
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Barry Kripke shows up to talk to the guys during lunch.
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Sheldon arrives at Amy's apartment on "The Indecision Amalgamation."
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Sheldon has dinner at Amy's place on "The Indecision Amalgamation."
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Sheldon goes to the store to purchase a new gaming system with Amy
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Howard has a good time hanging out with Sheldon at the bar.
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TBBT Quotes

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.

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