The Big Bang Theory

Season 9 Episode 18: The Application Deterioration

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.

Genre:

Comedy

Seasons:

12

Episodes:

279

Actor:

Johnny Galecki, Jim Parsons, Kaley Cuoco

Quality:

HD

Status:

Ended

First Air:

2007

IMDb:

7.9