Octopuses are like aliens on Earth: three hearts, blue blood and the ability to squeeze through a space the size of their eyeballs. But there is so much more to these weird and wonderful animals. Intelligent enough to use tools or transform their bodies to mimic other animals and even communicate with different species, the secrets of the octopus are more extraordinary than we ever imagined.

Take the plunge into a fantastic world of incredible creatures. Academy Award winner Linda Hunt narrates this mesmerizing, breathtakingly photographed series that explores the mysteries of the ocean depths. Seven-time Emmy-winning underwater filmmakers Howard and Michele Hall are your guides to an incredible world of fascinating and fearsome creatures. Gaze in wonder at spectacular scenes, compelling sights and exotic behaviors never before filmed.

More than four years of filming have been necessary to capture the impressive images of the most varied animal species that inhabit the Iberian Peninsula: amphibians, reptiles, mammals, birds, insects and fish are represented in this wonderful journey through the different ecosystems that we can find in Iberian lands.