The Big Bang Theory Season 3 Episode 20

The Big Bang Theory → Season 3 → Episode 20: The Spaghetti Catalyst
With Leonard and Penny now broken up, Sheldon is forced to go behind Leonard's back to spend time with her.
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Watch The Spaghetti Catalyst
Air Date: 3 May 2010
Director: Anthony Joseph Rich
Language: English
Runtime: 0 Minutes
More Info: IMDb

Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar


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