Embargoed to 0001 Monday February 20 File photo dated 24/09/15 of Sir David Attenborough, as the renowned naturalist is set to return to television for a new series of BBC's award-winning Blue Planet. PRESS ASSOCIATION Photo. Issue date: Monday February 20, 2017. The seven-part series will mark 20 years since the channel's natural history unit first set out to explore never-before-seen wildlife in the deepest and darkest realms of the world's oceans. See PA story SHOWBIZ Attenborough. Photo credit should read: David Parry/PA Wire
Sir David Attenborough (Picture: BBC/Dan Beecham/PA Wire)

Sir David Attenborough is present a follow-up to the BBC’s 2001 aquatic nature series Blue Planet.

The veteran wildlife presenter will narrate the brand new seven-part landmark series – Blue Planet II – which will delve back into the sea to see some of the astonishing creatures living under water.

Sir David, 90, said: ‘I am truly thrilled to be joining this new exploration of the underwater worlds which cover most of our planet, yet are still its least known.’

Embargoed to 0001 Monday February 20 For use in UK, Ireland or Benelux countries only Undated handout photo issued by the BBC of a Walrus mother and pup resting on an iceberg in Svalbard, Arctic, from Blue Planet II, as the renowned naturalist Sir David Attenborough is set to return to television for a new series of BBC's award-winning Blue Planet. PRESS ASSOCIATION Photo. Issue date: Monday February 20, 2017. The seven-part series will mark 20 years since the channel's natural history unit first set out to explore never-before-seen wildlife in the deepest and darkest realms of the world's oceans. See PA story SHOWBIZ Attenborough. Photo credit should read: BBC/Dan Beecham/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.
Blue Planet will return on BBC (Picture: BBC/Dan Beecham/PA Wire)

The first Blue Planet generated nearly £20million is DVD and book sales and broadcast right.

This new series which has been four years in the making includes hairy-chested Hoff crabs, snub fin dolphins that spit water through the air, and a tool-using tusk fish.

Embargoed to 0001 Monday February 20 For use in UK, Ireland or Benelux countries only Undated handout photo issued by the BBC of giant cuttlefish mating aggregation in South Australia, from Blue Planet II, as the renowned naturalist Sir David Attenborough is set to return to television for a new series of BBC's award-winning Blue Planet. PRESS ASSOCIATION Photo. Issue date: Monday February 20, 2017. The seven-part series will mark 20 years since the channel's natural history unit first set out to explore never-before-seen wildlife in the deepest and darkest realms of the world's oceans. See PA story SHOWBIZ Attenborough. Photo credit should read: BBC/Hugh Miller/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.
Giant cuttlefish mating aggregation in South Australia (Picture: BBC/Dan Beecham/PA Wire)

The crew have also captured a dive with a sperm whale mother and calf, as she heads deep into the abyss to hunt.

Charlotte Moore, Director of BBC Content, said: ‘The BBC’s world renowned natural history unit are set to captivate audiences once again with unmissable stories of ocean life presented by the one and only David Attenborough – it really doesn’t get much better than that!’

Embargoed to 0001 Monday February 20 For use in UK, Ireland or Benelux countries only Undated handout photo issued by the BBC of surfing Bottlenose dolphins in South Africa, from Blue Planet II, as the renowned naturalist Sir David Attenborough is set to return to television for a new series of BBC's award-winning Blue Planet. PRESS ASSOCIATION Photo. Issue date: Monday February 20, 2017. The seven-part series will mark 20 years since the channel's natural history unit first set out to explore never-before-seen wildlife in the deepest and darkest realms of the world's oceans. See PA story SHOWBIZ Attenborough. Photo credit should read: BBC/Steve Benjamin/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.
Surfing Bottlenose dolphins (Picture: BBC/Dan Beecham/PA Wire)

Tom McDonald, Head of Commissioning, Natural History and Specialist Factual, said: ‘Blue Planet II promises to combine the exceptional craftsmanship that our audiences have come to expect from BBC Natural History with genuinely new revelations about the creatures and habitats of the world’s oceans.

‘I have no doubt it will thrill and delight the audience and deliver a new benchmark in Natural History film-making.’

MORE: Geordie Shore’s Vicky Pattison doesn’t want kids because they’ll ‘destroy her vagina’

MORE: Elephants lovingly ‘kiss’ body of injured friend after it was shot dead

MORE: Graham Norton shows Daniel Radcliffe more of his dead lookalikes from history — and they’re all women