The Big Bang Theory

The Emotion Detection Automation

Series 10 - Episode 14 The Emotion Detection Automation



The writers may enjoy forging ahead with new developments, such as the group’s first baby, but it’s always a joy when they return to long-standing issues. This week sees not only Sheldon tackling his weakness at reading emotional cues (he tests a device that does it for him), but also Raj’s continual failure in relationships.

The latter thread gives cameos to exes Emily, Claire, Lucy and even the other Emily (from 2011), as Raj quizzes all of them in a cringe-packed therapy session as to what went wrong. Less funny are the slanging matches between Penny and Leonard, but you can always rely on Sheldon to negate any discomfort with a bludgeoningly honest one-liner.


Sheldon tests a newly invented device after hearing that it can help him to read people's emotions. Leonard isn't happy when he finds out that Penny's brother is coming to town so that she can help him to find a job. Raj gathers his ex-girlfriends together so that they can give him some dating advice.

Cast & Crew

Leonard Hofstadter Johnny Galecki
Sheldon Cooper Jim Parsons
Penny Kaley Cuoco
Howard Wolowitz Simon Helberg
Raj Koothrappali Kunal Nayyar
Amy Farrah Fowler Mayim Bialik
Bernadette Rostenkowski Melissa Rauch
Emily Sweeney Laura Spencer
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