BBC Retains Murky Water to Verify Blue Planet III Footage

The Natural History Unit has deliberately preserved cloudier, less polished ocean footage in the final cut of Blue Planet III to combat growing skepticism about artificial intelligence. By keeping visual flaws such as plankton and poor water clarity, the team aims to reassure viewers that the scenes are authentic. This decision contrasts with previous editing standards, where such imperfections were often removed to create a cleaner visual experience.

The series marks the tenth anniversary of Blue Planet II, which highlighted plastic pollution, and the 25th anniversary of the first Blue Planet broadcast. The new production introduces the world's first underwater CCTV camera, nicknamed the stonefish cam, alongside other advanced technology. These tools allow for extended observation of animal behavior in their natural habitats.

Executive producer Elizabeth White explained that the rise of AI has pushed the team toward a more organic aesthetic. She stated that AI makes the team want to be even more authentic, noting that the animals filmed are probably more remarkable than AI could imagine and it is completely real. White added that the team is really leaning into that authenticity and expects to lean further into murkier, less polished imagery as AI grows.

In a press screening, Jack Bootle, head of specialist factual commissioning, assured journalists that no generative AI was used in the series. He confirmed it is all real photography and not a single frame was generated by AI. Bootle described the project as bursting with novel behavior, despite viewers feeling they have seen it all before during a golden age of natural history-making.

The series features new sightings, including dolphins using sea sponges to block holes in coral to trap fish. This behavior was recorded by Yoland Bosiger, the producer and director. Other sequences show a grouper communicating with another fish species, 200,000 crabs lining up in formation to feed, and sea urchins using shells as sun hats.

Filming took four years across five oceans. Series producer Lara Bickerton said the team continually innovated, building a mini-dome camera to follow an octopus and a deep-sea selfie stick. Camera operators used leg-mounted scooters for immersive diving footage, and lasers were employed to film deep-sea animals. The series also examines threats to the ocean, such as warmer seas killing sea anemones where clownfish live and the continued impact of forever chemicals.

David Attenborough, who is 100 years old, was very much involved in the production and made changes to scripts. White noted that he remains curious and excited when shown new footage. The series is scheduled to begin airing on Sunday, 1 November, on BBC1 and iPlayer.