In Back To The Future Part II. Griff confronts Marty Jr. in the typical Tannen way, and punches him. He asks Marty Jr. if he made a decision about "tonight's opportunity." Marty Jr. says it might be dangerous, that he has to discuss it with his father. Griff throws him behind the counter. Marty tells Marty Jr. to stay down and shut up; Marty Jr. faints.