This document discusses film genre theory and provides examples of how it applies to the films Harry Potter and the Sorcerer's Stone and Scarface. Genre theory involves categorizing films based on factors like storyline, director, and audience expectations. Harry Potter includes elements of fantasy and horror genres as the story progresses. Scarface fits the crime and gangster genres through its depictions of violence and the destructive lifestyle portrayed. Both films also use techniques like lighting and camera work to elicit emotional responses from audiences.