Season 10, Episode 14 – The Emotion Detection Automation
Sheldon uses a machine to help him identify other people’s emotions, and Raj tries to understand his difficulties with women.
What happens when hyperintelligent roommates Sheldon and Leonard meet Penny, a free-spirited beauty moving in next door, and realize they know next to nothing about life outside of the lab. Rounding out the crew are the smarmy Wolowitz, who thinks he’s as sexy as he is brainy, and Koothrappali, who suffers from an inability to speak in the presence of a woman.
The Big Bang Theory S10E14