Develop a happy, healthy relationship with your dog with help from Cesar Millan, the Dog Whisperer. More than 1 million viewers tune in each week to his show on the National Geographic Channel; the 100th episode aired earlier this year. This instructional set is every bit as entertaining as his TV series. Includes “People Training for Dogs,” “Becoming a Pack Leader,” and “Your New Dog: First Day and Beyond.” 3 hours 19 min.