Sheldon visits his mother while he's in Houston. He's forced to accept new circumstances.
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Raj hands Howard something during the game night with Sheldon and Leonard.
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Howard smiles during a visit to see Sheldon at his University office.
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Sheldon's listens to Howard while at work behind his computer.
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Penny surprises both Leonard and Sheldon with her comment.
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Sheldon's upset that Leonard bought a dining room table for the apartment.
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Sheldon goes over to Amy's house on "The Table Polarization."
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Will Sheldon or Leonard win this one on "The Table Polarization"?
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TBBT Quotes

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

Leonard: Hi. I'm Leonard. You are beautiful. You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget.
Raj: Where are we going?