Leonard and Sheldon stand behind the 15-year-old science prodigy Dennis Kim (Austin Lee), who is about to prove to the guys he's smarter than them.

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Photo Credit:
CBS
Show:
The Big Bang Theory
Episode:
The Big Bang Theory Season 1 Episode 12: "The Jerusalem Duality"
Characters:
Leonard Hofstadter, Sheldon Cooper
Related Photos:
TBBT Photos, The Big Bang Theory Season 1 Episode 12 Photos, Leonard Hofstadter Photos, Sheldon Cooper Photos
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The Big Bang Theory Season 1 Episode 12 Quotes

If we were in India this would be simpler. Five minutes with her dad, 20 goats and a laptop, and it would be done

Raj [on approaching a girl]

Leonard: You speak English really well.
Dennis: So do you... except for your tendency to end sentences with prepositions.
Leonard: What are you talking about?
Dennis: That.
Sheldon: He's not wrong