The Big Bang Theory 2007 | TV Show Watchlist

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Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated.

Premiered: September 24, 2007

Rating: TV-PG

User Rating:4.58 out of 5 (8,996 ratings)

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Season 6, Episode 5 The Holographic Excitation

First Aired: October 25, 2012

Leonard tries a scientific approach to seducing Penny, while the gang celebrates Halloween at Stuart's comic-book store. Former astronaut Buzz Aldrin has a cameo.

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Guest Cast