the disc contains a 20-minute featurette which shows behind-the-scenes footage, with an explanation of how various shots or effects were achieved. for instance, producer lorenzo explains how shots of the crowd were composited onto a green chroma keying carpet, laid down underneath the fake ledge used for shots recorded in-studio. for those who are visually impaired, a version of the film is included where a voiceover explains everything that is happening so that people with these visual ailments are still able to enjoy the film.