The Big Bang Theory is a sitcom on CBS that's about two twenty something geniuses, Leonard (Johnny Gelecki) and Sheldon (Jim Parsons). The two physicists from Caltech are not only colleagues but also best friends and roommates. When a beautiful waitress, Penny, breaks up with her boyfriend of four years and moves in across the hall, both sides will have something to learn from each other.
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- Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert