Watch The Big Bang Theory Season 6 Episode 5 online via TV Fanatic with over 5 options to watch the The Big Bang Theory S6E5 full episode. Affiliates with free and paid streaming include Amazon, iTunes, YouTube Purchase, Google Play, and Verizon On Demand.
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On The Big Bang Theory, the gang spends Halloween at Stuart's comic book shop while Leonard attempts a new approach to seduce Penny. Astronaut Buzz Aldrin guest stars.