The Big Bang Theory › Season 9

S9 E18: 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.

Air date	Mar 10, 2016
Runtime	18 minutes
TMDB rating	★ 7.3/10