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The Big Bang Theory - Season 9 Episode 18 The Application Deterioration

Trailer
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.

First Air Date: Sep 24, 2007

Last Air date: May 16, 2019

Season: 12 Season

Episode: 279 Episode

Runtime: 22 minutes

IMDb: 7.91/10 by 11,280.00 users

Popularity: 207.704

Language: English