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Watch 'The Big Bang Theory' tonight on WUSA9.

Only 2 new episodes left!

A bad day causes Penny to reevaluate her life choices – including Leonard. Meanwhile, Howard and Bernadette struggle to care for Mrs. Wolowitz, and Raj gets relationship advice from Sheldon.

The laughs begin at 8 p.m.

Cast:
Jim Parsons
Johnny Galecki
Kaley Cuoco
Kunal Nayyar
Simon Helberg
Mayim Bialik
Melissa Rauch

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