"Inside Secret Societies uncovers what lies behind the history of the overwhelming military power of the Nazis: their strong belief in ancient mysticism, the occult, and even alien contact which fueled their desire to rule as a genetically pure race."

"We delve into the world of the most notorious white supremacist group in America... the KKK. Once having over a million members, today it's just a shadow of its former self. We meet real members and look at the impact of the group has had on America."

"This episode unearths the secrets of a widespread criminal gang in the heart of Japan. They're engaged in a variety of criminal activity including extortion, prostitution and illegal gambling. It is a hard-hitting, slick-dressing network of gangs."