8/8. Coasts: David Attenborough narrates a natural history of the oceans, examining how animals from in and around the sea use the constantly changing coastal areas. [AD,S]
7/8. Tidal Seas: David Attenborough narrates a natural history of the oceans. As snails surf the waves in pursuit of a meal, how do the tides create opportunities for marine life? Also in HD. [AD,S]
6/8. Coral Seas: David Attenborough narrates a natural history of the oceans. Developed over centuries, coral reefs house fragile ecosystems, but they too have to fight to survive. Also in HD. [AD,S]
4/8. Frozen Seas: A natural history of the oceans. A look at the survival techniques of creatures that endure the harsh conditions of the Arctic and Antarctic. Also in HD. [AD,S]
3/8. Open Ocean: David Attenborough narrates a natural history of the oceans. The deadly game of hide-and-seek played by the sea's charismatic hunters - whales, shark and billfish. Also in HD. [AD,S]
2/8. The Deep: David Attenborough narrates a natural history of the oceans to uncover the strange, otherworldly creatures living in the depths of the ocean. [AD,S]
1/8. Introduction: David Attenborough narrates a natural history of the oceans. We travel to the depths of the seas to reveal a spectacular variety of life, some never filmed before. [AD,S]
8/8. Coasts: David Attenborough narrates a natural history of the oceans, examining how animals from in and around the sea use the constantly changing coastal areas. [AD,S]
7/8. Tidal Seas: David Attenborough narrates a natural history of the oceans. As snails surf the waves in pursuit of a meal, how do the tides create opportunities for marine life? [AD,S]
6/8. Coral Seas: David Attenborough narrates a natural history of the oceans. Developed over centuries, coral reefs house fragile ecosystems, but they too have to fight to survive. Also in HD. [AD,S]
5/8. Seasonal Seas: David Attenborough narrates a natural history of the oceans, exploring the richest waters on Earth, where the annual cycle of the sun drives an explosion of life. [AD,S]
4/8. Frozen Seas: A natural history of the oceans. A look at the survival techniques of creatures that endure the harsh conditions of the Arctic and Antarctic. [AD,S]
3/8. Open Ocean: David Attenborough narrates a natural history of the oceans. The deadly game of hide-and-seek played by the sea's charismatic hunters - whales, shark and billfish. [AD,S]
8/8. Coasts: David Attenborough narrates a natural history of the oceans, examining how animals from in and around the sea use the constantly changing coastal areas. [AD,S]
6/8. Coral Seas: David Attenborough narrates a natural history of the oceans. Developed over centuries, coral reefs house fragile ecosystems, but they too have to fight to survive. [AD,S]
5/8. Seasonal Seas: David Attenborough narrates a natural history of the oceans, exploring the richest waters on Earth, where the annual cycle of the sun drives an explosion of life. [AD,S]