The Big Bang Theory: S09E18 - The Application Deterioration


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The Application Deterioration
The Application Deterioration
Season: 9
Episode: 18
Air date: 2016-03-10

Guest stars: Laura Spencer, Alessandra Torresani, Jim Holmes
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.