During an interview for “BLUE: The Life and Art of George Rodrigue,” the artist’s son Jacques says that if you had called his grandmother a “Cajun,” she might have slapped your face.

The new documentary, “Blue: The Life and Art of George Rodrigue,” is all about the Cajun artist, his early days and his famous “Blue Dog” paintings. “You know, he started many years ago.

For the first time in 30 years, all fans of George Rodrigue will be given a peek into the Blue Dog artist's studio. It'll happen when PBS premieres the documentary "BLUE: The Life and Art of ...