Watch The Big Bang Theory Season 4 Episode 9 online via TV Fanatic with over 6 options to watch the The Big Bang Theory S4E9 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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Penny asks Leonard to fib to her father this week. Elsewhere, Howard, Raj and Bernadette go for an all-nighter with a telescope.