![The Big Bang Theory Season 9 Episode 18 The Big Bang Theory Season 9 Episode 18](https://123images.co/tv/1230898266-poster-The-Big-Bang-Theory.jpg)
The Big Bang Theory Season 9 Episode 18
Leonard, Sheldon, and Wolowitz run into problems when they file for a patent for their infinite persistence gyroscope. Also, Penny, Amy and Bernadette give Koothrappali dating advice when Emily reaches out to him after their breakup.
Views: 3
Serie: The Big Bang Theory
Director: Mark Cendrowski, Nikki Lorre
Guest Star: Alessandra Torresani, Jim Holmes, Laura Spencer
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