Octopus Ocean: Geniuses of the Deep

What has eight arms, blue blood and a big brain? Octopuses are different from any other animal on the planet. These masters of camouflage are highly intelligent and known for their brilliant minds and unique personalities. New research shows that while most of them prefer to be alone, they can live in groups and bond with humans. Take a deep dive into the fascinating history and mystery of octopuses big and small--their biology, habitat and habits--and discover the top threats to their future and what we can do to protect them.