Breaking Bad is an American crime drama series that tells the story of Walter White, a high school chemistry teacher turned methamphetamine manufacturer. As Walter gets involved in the dangerous world of drug trafficking, he undergoes a transformation from a mild-mannered family man to a ruthless criminal mastermind. The series explores themes of morality, power, and the consequences of one's actions. Breaking Bad has received critical acclaim for its writing, acting, and character development, and is often regarded as one of the greatest television series of all time.