"Dog Whisperer" is a television series that aired from 2004 to 2012, featuring Cesar Millan, a professional dog trainer known for his unique approach to dog behavior. The show focuses on Millan's techniques for rehabilitating dogs with behavioral issues and educating their owners on effective training methods. Throughout the series, Millan emphasizes the importance of understanding canine psychology and establishing a strong leader-follower relationship between dogs and their owners. His methods often involve calm assertiveness and positive reinforcement, aiming to create a balanced environment for both dogs and humans.