Watch The Big Bang Theory Season 1 Episode 10 online via TV Fanatic with over 5 options to watch the The Big Bang Theory S1E10 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.
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When Penny is given a part in Rent, the boys try to avoid to see her show after hearing her sing "Out Tonight" out of key in order to not hurt her feelings.