Blue Planet III Embraces the Murk to Prove Ocean Footage Is Real

Blue Planet III is making an unusual choice in the age of AI: it is leaving some of the imperfections in. Cloudy water, drifting plankton, boats, buoys and less polished images will remain in the BBC series to show viewers that its extraordinary creatures are real.

The David Attenborough-narrated series includes no footage created by generative AI. Jack Bootle, the BBC’s specialist factual commissioning head, gave journalists a direct assurance at a press screening: “No gen AI was used in this series. Not a single frame. It’s all real photography.”

That promise matters because the creatures filmed for the series can look stranger than anything a computer might invent. The producers said the animals in the deep ocean “are probably more remarkable than AI could imagine and it’s completely real”.

Why imperfect footage now matters

Since the first Blue Planet aired 25 years ago, televisions and cameras have developed sharper, higher-definition pictures. That progress has made natural history footage clearer, but the rise of AI has created a new problem: viewers may question whether even the most spectacular scene actually happened.

Elizabeth White said AI “makes us want to be even more authentic”. The production team has responded by using what it calls “more organic” shots, including footage that might once have been removed during editing.

In the past, filmmakers might have rejected a sequence because plankton filled the water or because poor conditions made the image less clean. They might have “framed out a boat or a buoy” and decided that “the water conditions are not really good enough for this.” For Blue Planet III, those details can stay.

“We’re really leaning into that authenticity … As AI booms we will probably lean more into the more organic,” White said. In this series, murkier footage is not a failure. It is evidence of the real conditions crews faced at sea.

Technology built for hidden ocean behaviour

Nearly a decade after Blue Planet II helped galvanise a global movement against single-use plastic, and 25 years after the first series, Blue Planet III returns with more animal behaviour and filming technology. BBC Studios filmed across four years, five oceans and more than 37 countries, covering warm tropical waters, storm-wracked seasonal coasts, the poles, the open ocean and the deep.

Over 70% of planet Earth is ocean, but filming there remains difficult. Once crews enter the water, every minute is limited by air, depth, tides, currents and visibility. A change in temperature, wind or current can transform a filming location within minutes, while some shoots lose so much visibility that operators can barely see the cameras they are controlling.

The series includes the world’s first underwater CCTV camera, called “the stonefish”. It took almost two years to develop an underwater camera trap that could survive long periods without flooding or overheating. The system records vast amounts of footage for up to 24 hours at a time, creating a 4k underwater CCTV that works without an external power source.

Yoland Bosiger, the programme’s producer and director, developed the underwater CCTV system. It captured never-before-seen footage of dolphins using sea sponges to block holes in coral and trap fish, a behaviour that may solve a 40-year mystery about why the dolphins carry sponges.

Underwater movement-triggered cameras are hard to use because fish, seaweed, drifting debris and even moving water can set them off. Without the custom-built “Stonefish” equipment, the sponge-carrying dolphins’ behaviour would never have been captured.

From pea-sized animals to the deep sea

Filmmakers also used macro filming and probe lenses to reveal animals as small as a pea, including lumpsucker fish and argonauts. For the Seasonal Seas film, producer Jo Haley built a specialist “mini-dome” for the macro probe, allowing the crew to film seamlessly above and below the surface.

The series also follows an octopus with a miniature version of the Megadome called the Minidome, which could fit inside a tiny rockpool. A separate “deep-sea selfie stick”, nicknamed “Little Charlie”, was designed by series producer James Brickell and producer Eva Spielvogel.

Little Charlie is a remote camera system rated to depths of 3,000 metres. Mounted away from a remotely operated vehicle, it captures cinematic views of the vehicle working in the deep, solving the problem of only seeing the ocean from the ROV’s own position.

The crews used lasers to film deep-sea creatures, drones to capture bowhead whales breaking sea ice, and other drones as splash-cameras or drop-cameras. Waterproof FPV drones flew through the spray of huge waves, while remote-controlled boats disguised as floating ice were used in other sequences. Cameras were also lowered beneath drones and into the path of hunting tiger sharks.

Almost every shoot required two or more kinds of equipment, and sometimes as many as five. Camera operators wearing leg-mounted scooters created immersive, TikTok-style diving footage, showing how the series combines bespoke systems with the latest camera technology.

Animal stories and ocean threats

Jack Bootle said the series is “bursting with novel behaviour”. Alongside the sponge-carrying dolphins, viewers will see grouper communicating with another species of fish, 200,000 crabs lining up in formation to feed, and sea urchins using shells as sun hats.

One penguin sequence echoes the “iguana v snakes” action from Planet Earth II, while another story follows an octopus’s lucky escape after it leaves its normal underwater habitat. These scenes support the series’ emotional, character-led approach, which focuses on the personalities of unusual creatures.

Blue Planet III also examines the dangers facing the ocean and its ability to recover. One episode shows warmer seas caused by the climate crisis killing the sea anemones where clown fish live, while the fish try to repair their homes. The plastic pollution issue raised by Blue Planet II continues through a story about pollutants and forever chemicals.

David Attenborough remains closely involved. Elizabeth White said Bosiger reported that Attenborough, who is 100 years old, was “very much involved” and made changes to the scripts. “What’s wonderful is he hasn’t lost his curiosity … he’s still that little boy … who gets excited … when you show him a new piece of footage,” White said.

Blue Planet III starts on Sunday 1 November at 8pm on BBC One and iPlayer in the UK. Outside the UK, the series will launch from November into 2027 across the world.

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