Called to Serve is a 23-minute video that explains to potential jurors why their service is important and what it will be like. The video is introduced by Chief Justice John G. Roberts, Jr., and includes interviews with Associate Justices Sandra Day O'Connor (ret.) and Samuel A. Alito, Jr., on the history and importance of the jury system and jury service. The video also includes interviews with people who have served on juries about their experiences and explains some of the whys and wherefores and do's and don'ts of jury duty.