Details
- Season
- Season 9
- Episode
- S09xE18
- Air Date
- 10 March 2016
- Where to watch
Overview
The Big Bang Theory season 9, episode 18 — “The Application Deterioration” (S09xE18) first aired on 10 March 2016.
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.