The Big Bang Theory

Thursdays 8:00 PM on CBS

Watch The Big Bang Theory Season 9 Episode 4 online via TV Fanatic with over 7 options to watch the The Big Bang Theory S9E4 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, TBS, and Verizon On Demand.

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Episode Details

On The Big Bang Theory Season 9 Episode 4, with his living arrangements about to change, Sheldon reverts to his 2003 self, before he met Leonard or Penny.