The Big Bang Theory Season 4 Episode 17 2010
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The Big Bang Theory Synopsis: Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group.
- Released: 2011-02-24
- Runtime: 22 minutes
- Genre: Comedy
- Stars: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar
- Director: John DeChene, Adam Faberman, Rick Puccio, Richard Price, Jamie Hitchcock
- Source: CWR CRB
