The Big Bang Theory (2007-2008)

The Big Bran Hypothesis

The Big Bran Hypothesis picture
Johnny Galecki and Jim Parsons on The Big Bang Theory. (Photo: CBS)

Episode 2 of Season 1 (2007-2008)
Originally aired Oct 1, 2007

Leonard volunteers to sign for a delivery, hoping to make a good impression on Penny. But when he enlists the help of obsessive-compulsive Sheldon, his attempt at chivalry goes horribly awry as Sheldon takes it upon himself to clean her apartment while she sleeps. With Penny infuriated at the intrusion, Leonard tries to make amends.

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