The document outlines some common codes and conventions of teen films and thriller films that could be incorporated into the opening sequence of a hybrid teen/thriller film. For teen films, it notes the use of extreme stereotypical characters, cliques, typical props like phones and cars, settings like high schools and malls, and common themes of love, arguments, and bullying. For thriller films, it discusses using brave protagonists, unknown antagonists seeking revenge, close-ups and quick cuts to build tension, sinister mise-en-scene elements, suspenseful music, and noir techniques like shadows and cliffhangers.