what episode does arizona come on grey's
Arizona Robbins Arizona Robbins, M.D. is a fictional character on the ABC television series Grey's Anatomy, portrayed by Jessica Capshaw. She was introduced in the show's fifth season as an attending surgeon and the new chief of pediatric surgery. Originally contracted to appear in three episodes, Capshaw's contract was extended to the remainder of the fifth season, with her becoming a series regular in the sixth season.