Blue Planet III Leans Into Murky Footage to Prove It's Real Amid the AI Boom

At a press screening for Blue Planet III, the BBC's head of specialist factual commissioning, Jack Bootle, said something no commissioner had said to journalists before about a natural history series: no generative AI was used, "not a single frame," and it is all real photography. It was the first time the BBC had made such a statement about the programme.

The reason sits in the footage itself. Since the first Blue Planet aired 25 years ago, cameras and televisions have kept getting sharper. But the producers say the rise of AI imagery, set beside the extraordinary sequences and strange creatures their crews captured, pushed them toward a different choice for this series: keep the picture a little cloudier, a little less polished, and let it look more organic.

Executive producer Elizabeth White explained the thinking. AI, she said, makes the team want to be even more authentic, and the animals filmed in the deep ocean are probably more remarkable than AI could imagine. In earlier series, heavy plankton or other material in the water would often have meant a sequence was left out. A boat or a buoy might have been framed out, or a shot dropped because water conditions were not good enough. This time those things stay in. White said the team is leaning into authenticity, and that as AI booms they will probably lean further into murkier, less polished footage.

The series arrives nearly a decade after Blue Planet II put plastic pollution in front of a mass audience. Filming took four years across five oceans, and BBC Studios, by series producer Lara Bickerton's account, kept inventing its own kit along the way: a "mini-dome" camera to follow an octopus, a "deep-sea selfie stick," camera operators on leg-mounted scooters to produce immersive, TikTok-style diving shots, and lasers for filming deep-sea creatures. There is also what is described as the world's first underwater CCTV camera, nicknamed the "stonefish" cam.

That CCTV, developed by producer and director Yoland Bosiger, captured behaviour never filmed before: dolphins using sea sponges to plug holes in coral and trap fish. Bootle argued that, in what he called a golden age of natural history-making, audiences sometimes feel they have seen it all, and this series is bursting with novel behaviour. Other sequences show a grouper communicating with another species of fish, 200,000 crabs lining up in formation to feed, sea urchins using shells as sun hats, and penguin footage that echoes the iguana-versus-snakes chase from Planet Earth II.

The series also deals with the ocean's vulnerability and its resilience. One episode shows how the climate crisis is killing off the sea where anemone clownfish live, and what the fish do to try to repair their homes. White said the plastics story begun in Blue Planet II continues here, with a strand on pollutants and forever chemicals.

Sir David Attenborough, who is 100, narrates again. Bosiger said he was very much involved and made changes to scripts. White said he has not lost his curiosity and is still the little boy who gets excited when shown a new piece of footage.

Asked whether the BBC's £500m cost-cutting drive could damage BBC Studios' reputation for natural history, White said she could not comment. She did note that Blue Planet III saved money by using more local crews on location than previous series.

Blue Planet III begins Sunday 1 November on BBC1 and iPlayer. Worth watching is whether visible imperfection becomes a lasting selling point for natural history as AI imagery spreads, and how the series fares under the budget pressure hanging over the corporation.