National Geographic documentary series Taboo is an educational look into taboo rituals and traditions practiced in some societies, yet forbidden and illegal in others.
Each hour long episode details a specific topic, such as marriage or initiation rituals, and explores how such topics are viewed throughout the world.
Taboo generally focuses on extreme viewpoints; in the sense that they are the most misunderstood, despised, or disagreed upon in the world.
Watch the full documentary now (playlist – 5 hours, 21 minutes)
Several episodes are included. They might not be accessible world wide.