Over the past 20 years there have been numerous studies and frequent warnings about violent television programs and movies arousing young people to act violently. Researchers have pointed to many hours of viewing excessive violence as a potential contributor to violent behavior by youngsters. This digest examines evidence of violence in television programs, movies, and video games; the possible impact of audio-visual media violence on the behavior of youngsters; and what educators can do about it. Suggests six instructional activities for teaching about violence in the media. Describes five relevant Web sites. (BB)