The document discusses the fantasy genre and conventions used in the movies Harry Potter and the Prisoner of Azkaban and Thor: Ragnarok. It analyzes the codes and conventions of the fantasy genre, including the use of magic, imaginative creatures, and battles between good and evil. It then summarizes the key plot points and characters in each movie based on Todorov's narrative theory. Finally, it analyzes some specific stylistic codes and conventions used in the opening sequence of Harry Potter and the Philosopher's Stone, such as costumes, shots, and music, that establish it as a mystery/fantasy film and hook the audience.