Hidden trailer (The Violent Years/Girl Gang Special Edition)
Select the "Delinquent Goodies" option at the main menu. Press Down until "Intermission 1/Intermission 2/Intermission 3" is highlighted. Press Right to highlight the star, then press Enter to view the trailer from Teenage Mother.
Hidden footage (The Violent Years/Girl Gang Special Edition)
Select the "Trailers" option at the main menu. Press Up to highlight the star, then press Enter to view a scene from The Violent Years.