All at sea!

Sir David Attenborough narrates a love letter to our oceans...

- HANNAH DAVIES, NATASHA HOLT.

For years, our oceans were a mystery. But in stunning nature documentary Ocean, Sir David Attenborough reveals how there are constant new revelations about life beneath the surface. Incredibly, 2,000 new marine species are being discovered every year.

'In my lifetime, our ability to see the ocean has been transformed,' says David, who turned 99 on 8 May. 'Yet we've seen more of other planets than we have of the ocean.

New findings