Medium is an American supernatural and dramatic television series which premiered on NBC on January 3, 2005. Its focus is Allison DuBois (Patricia Arquette), who acts as a research medium for the Phoenix, Arizona district attorney's office. A wife to loving husband, Joe, and mother of three beautiful daughters who all inherited the gift passed down from generation to generation. The show is based on experiences from self-proclaimed spiritual medium Allison DuBois, who claims to have worked with law enforcement agencies across the country in criminal investigations.