In the depths of our seas lives a strange creature with two enormous eyes, a soft boneless body, nine brains, three hearts, eight legs and a tearing double beak.

More than just a mollusk, the octopus is probably one of the smartest beings on the planet.

But just how smart is it?

For ten years, Antonio Cribeiro and his team have been studying octopuses' behavior in a bid to answer this question.

From the documentary: Aliens of the deep sea
Direction: MC4 & IDEACOM
Production: Jérôme Julienne & Jack Johnson