Episode Titles: Cognition
You are viewing a list of 1 The Big Bang Theory episode featuring "Cognition" in their title.
The Cognition Regeneration
Season 10, Episode 22 - Aired April 27, 2017
Fearing his mind is not a strong as it once was, Sheldon decides to improve his cognitive function by learning new tasks including baking, juggling and riding the unicycle.
Meanwhile, Leonard is not impressed when Penny is offered a job by her ex-boyfriend, Zack.