THE BIG BANG THEORY SEASON 9 EPISODE 18 THE APPLICATION DETERIORATION

Storyline:
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. 






Watch The Big Bang Theory S9E18 Full Episode Online for Free in HD @ Click Here 

Air Date : September 21st, 2015
Season Number : 9
Episode Number : 18
Episode Name : The Application Deterioration
Guest Stars : Laura Spencer, Alessandra Torresani, Jim Holmes
Networks : CBS
Genres : Comedy 

Casts:
Mayim Bialik, Jim Parsons, Melissa Rauch, Kaley Cuoco, Kunal Nayyar, Johnny Galecki, Simon Helberg

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