The Big Bang Theory Season 9 Episode 18 The Application Deterioration 2015
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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.
- Released: 2016-03-10
- Runtime: 22 minutes
- Genre: Comedy
- Stars: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar
- Director: John DeChene, Adam Faberman, Rick Puccio, Richard Price, Jamie Hitchcock
