Watch The Big Bang Theory S3E21: The Plimpton Stimulation Sheldon and Leonard competes for the visiting famous female physicist that Sheldon is hosting, but they are no match for her intelligence. The new episode of The Big Bang Theory is the show’s 21st episode of the 3rd season that aired last 05/10/2010 Monday at 9:30PM on CBS. Watch The Big Bang Theory 3×21 Free Online Streaming Full Episodes Replay of the Latest Season and Video Clip Download Link:
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Watch The Big Bang Theory Season 3 Episode 21 – The Plimpton Stimulation
