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2x20 The Hofstadter Isotope
First Aired: Apr. 13, 2009 on CBS
Summary: While at a comic book store, Penny is romanced by a friend of the guys'. Meanwhile, Leonard and Wolowitz head to a bar for ladies night in hope of finding women. |
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Watch Episode On:
- Amazon (purchase)- VUDU (purchase)
- Verizon On Demand (purchase)
- TBS (tv_everywhere)
Guest Stars[no credits found] |
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