The Pacific is the world's largest and deepest ocean. Covering one third of the Earth’s surface, its fascinating depths teem with a vast array of unusual life-forms.

Though the surface of this huge ocean may look calm and peaceful, every nook and cranny harbours prey seeking shelter or sinister predators on the hunt for meal. Whether sea snakes, octopi, plankton, turtles, sharks or cuttlefish, the battle for survival drives all these creatures to the edge.

This landmark wildlife docuseries explores vibrant coral reefs, extraordinary deep-sea locales, and stunning coastal regions where this vast ocean finally meets the shore. Along its epic journey, it reveals the forces shaping this colossal body of water and the ocean’s resilience in the face of unprecedented challenges.