This document summarizes the opening scenes of two comedy films, Dumb and Dumber and Stepbrothers, and analyzes how they establish typical comedy conventions. For Dumb and Dumber, it notes the focus on an attractive woman, the portrayal of the main character as dopey to signal his lack of intelligence, and uses of physical humor and bright lighting. For Stepbrothers, it observes the playful font used for credits, use of midshots to show the childlike interests of characters too old for their behavior, and the establishment of the main characters as immature compared to their business-oriented parents. Both films set up typical "idiot" lead characters and use techniques like music, camerawork