Are you interested in the ocean and its mysterious inhabitants? Would you like to go underwater to see the fish, octopuses, jellyfish and sharks for yourself? Do you dream of travel to the dark depths of the seabed? Karl the kiwi would answer yes to all these questions.

He is forever looking at the calm surface of the ocean, imagining that one day he will explore the underwater world up close and in detail. If you join Karl on a research submarine, you, too, will discover the glories and secrets of the ocean, and much else besides! Plus, you will learn which machines people use for their watery travels, how a submarine works, why deep oceans remain unexplored, and all about the superpowers of inhabitants of the deep. All aboard! We’re going down!