New ocean science and technology has allowed us to go further into the unknown than we ever thought possible. From the coastal shallows to deeper, more mysterious worlds, Oceans: Our Blue Planet uncovers spectacular stories of life and survival beneath the waves.

Leap for joy with dolphins, meet fascinating creatures in the coral reefs, and explore mysteries of the abyss in this extraordinary journey through our oceans.

Narrated by Academy Award winner Kate Winslet