Take a deep breath and dive into the mysteries of the ocean. Our understanding of ocean life has changed dramatically in the last decade, with new species, new behaviours, and new habitats being discovered at a rapid rate. Blue Planet II, which accompanies an epic seven-part series on BBC1, is a ground-breaking new look at the richness and variety of underwater life across our planet. From ambush hunters such as the carnivorous bobbit worm to cuttlefish mesmerising their prey with a pulsating light display, Blue Planet II reveals the never-before-seen secrets of the ocean. With more than 200 breath-taking photographs and stills from the BBC Natural History Units spectacular footage, each chapter of Blue Planet II brings to life a different habitat of the oceanic world.