The Big Bang Theory

Season 2 Episode 13

The Friendship Algorithm

16
Aired Monday 8:00 PM Jan 19, 2009 on CBS

Trivia

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  • Allusions

    • When assessing the climbing wall, Sheldon says the wall appears monolithic, and he expects to see Hominids start using bones as weapons, referring to the opening segment of Stanley Kubrick's 1968 film, 2001: A Space Odyssey, "The Dawn of Man".

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