Which drug has become popular in connection with the television series "Breaking Bad"            
            
                                                                                   
            Methamphetamine. Breaking Bad is an American  crime drama television It tells the story of Walter White, a struggling high school chemistry teacher diagnosed with inoperable lung cancer. Together with his former student Jesse Pinkman, White turns to a life of crime by producing and selling crystallized methamphetamine to secure his family's financial future before he dies, while navigating the dangers of the criminal world.