Dublado e Legendado no OverFlix. Secrets of the Unknown daringly showcases the bizarre, the terrifying, and the unmistakably real. First, Bigfoot brings together eyewitnesses who relate their encounters with the legendary and mysterious 800-pound creature. Then, Witches explores the long and clandestine history of this misunderstood group of people and provides a close look at the black art with factual information presented by practitioners.