IMDB Rating: 8.4/10 from 542,476 votes
Director: Chuck Lorre
Synopsis: Watch The Big Bang Theory Season 12 Episode 17 online free. In The Big Bang Theory Season 12 Episode 17 Putlocker Full Episodes, Bernadette and Penny travel to San Diego for a pharmaceutical sales convention. Back home, Amy and the guys experiment on the Wolowitz children when Sheldon finds a book on it.