Dive into the unique subculture of the stacking community, and find out what it's like to be a fierce rival in an underdog sport. This captivating documentary follows the highly competitive world of sport stacking, the international individual and team sport that involves stacking specialized plastic cups in specific sequences in as little time as possible. What started as a novelty on the Johnny Carson Show in 1990 has grown to become part of school curricula for students in over 34,000 schools in 30 countries. Though played by all ages, the sport is dominated by 10 to 14-year-olds, considered the best of the best. A FilmBuff Presentation.