Aired Friday December 1, 11:30am - 12:00pmon E4 +1
The Big Bang TheorySeries 1 Episode 15: The Shiksa Indeterminacy
The rest of the gang fall for Sheldon's twin sister, but Leonard's plan to win her heart is derailed when Sheldon declares that he'll be the one to decide who can date her.
- Original air date
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