The Big Bang TheorySeason 8 Replace imageEpisode number15The Comic Book Store RegenerationOverviewWolowitz receives some shocking news as everyone prepares for the reopening of Stuart’s comic book store. Penny teaches Sheldon how to “let it go,” but can’t follow her own advice after she learns something infuriating about Amy. Also, Leonard and Raj think they've spotted Nathan Fillion at a restaurant.Air dateFebruary 19, 2015Runtime (min)25