Watch The Big Bang Theory Season 3 Episode 12 online via TV Fanatic with over 5 options to watch the The Big Bang Theory S3E12 full episode. Affiliates with free and paid streaming include iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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Sheldon and Raj attend a university mixer where Raj meets Abby (Danica McKellar); Leonard is upset to find out that Penny believes in psychics.