Watch on Soap2day. With this documentary, you'll find the answer to the question you've always wondered: do cannibals really exist? On a journey between the past and present in unknown lands, we'll visit tribes that have never before encountered civilization as we know it. We'll witness the most brutal tribal rituals, see the most horrific customs of these peoples, and all this to give you the long-awaited answer: "Cannibals do exist."