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David Attenborough returns to the world's oceans in this sequel to the acclaimed documentary filming rare and unusual creatures of the deep, as well as documenting the problems our oceans face.

Follows a research vessel exploring 80% of Earth's uncharted oceans, combining scientific documentary with dramatic footage capturing the thrill of ocean discovery across six high-stakes adventure episodes.

Embark on a global odyssey to discover the largest and least explored habitat on earth. New ocean science and technology has allowed us to go further into the unknown than we ever thought possible.

Liz Bonnin joins the crew of the research vessel Alucia as they embark upon a scientific expedition to the Galapagos Islands to help protect the biological wonderland from the effects of climate change.

A Life Illuminated follows renowned marine biologist Dr. Edith Widder as she embarks on an extraordinary journey into the magical world of deep sea bioluminescence.

Follows the maiden voyage of the Alucia2, a next-generation exploration ship belonging to underwater exploration organization OceanX.

Norway's fjords are ideal for studying the ocean. They're calm, deep, have consistent populations of interesting marine creatures, and there's still a lot to learn about them. Every year, Professor Anne Gro Vea Salvanes from @UniBergen takes students on field trips to Masfjorden to teach them the field skills they need to be good marine scientists. Taraneh Westergerling, one of Anne Gro's PhD students, has a unique research question about the fish that live in the mesopelagic zone (AKA the "twilight zone") of the fjord. When OceanXplorer visited Masfjorden this year, they both came aboard to get a whole new perspective on this familiar place and try to unravel some of the mysteries of its complex ecosystem.

The Azores are surrounded by hundreds of seamounts, all part of the longest mountain chain on Earth: the Mid-Atlantic Ridge. This complex underwater landscape creates conditions that aggregate all kinds of life, and coldwater corals are an essential part of these ecosystems. Scientists Marina Carreiro-Silva and Telmo Morato joined OceanXplorer to get an up-close look at the deep-sea habitats they've dedicated their careers to. They used the ship's ROV and submersibles to collect valuable samples that will help them better understand what the corals need to survive in our changing world.

What do a remote Arctic archipelago, fisheries, World War I, and climate change have in common? The Svalbard Treaty. Back in 1920, dozens of countries signed an agreement allowing all of them equal fishing rights around the islands, which were previously no man's land but are now controlled by Norway (a stipulation of the Treaty). At the time, it was no big deal - there wasn't much to fish in Svalbard anyway. But as the Atlantic warms, species like mackerel are ranging farther and farther north. With so many stakeholders at play, political tensions are rising, and this important Arctic ecosystem is at risk.

The velvet belly lanternshark is only about one foot long, but it's hiding something huge: a complex system of bioluminescence. Scientists have seen velvet bellies glow in a lab, but this shark has never been observed lighting up in the wild. In fact, none of the bioluminescent shark species have been filmed glowing at depth in the ocean. Evolutionary biologist Nicolas Straube from the University of Bergen came aboard OceanXplorer to try and change that. In the right place (Sognefjord, where the sharks are abundant) and with the right equipment (OceanX's state-of-the-art submersibles and cameras) could he be the first to film this amazing feature of deep-sea sharks?

No one really knows what's in the deep ocean in Antarctica. Now we have the technology to reach into the ocean depths, we accompanied scientist and deep-sea explorer Jon Copley and became the first to descend to 1000 meters underwater in Antarctica for Blue Planet II. The exotic creatures we found there will astonish you.

After 400 million years and several mass extinctions, coral reefs around the world are set to disappear in a matter of decades. But the coral reefs in the Red Sea live in hyper-warm and saline waters that are similar to what the rest of our oceans could look like in just a few decades. What can we learn from them, and how can we apply that saving to coral reefs around the world? Created for the #G20 in Saudi Arabia, in service of the Presidency's second aim of "safeguarding the planet." OceanX's first-of-its kind survey in the Red Sea was only possible thanks to the partnership with NEOM, Bloomberg Philanthropies Vibrant Oceans Initiative, KAUST Official, IUCN, with special thanks to CORDIO East Africa Founding Director Dr. David Obura and University of Miami's Rosenstiel School of Marine and Atmospheric Science and its Professor and Chair of the Department of Marine Geosciences, Dr. Sam Purkis.

As the Alucia team worked with the BBC on "Blue Planet II," advisor scientists Dr. Sylvia Earle (of Mission Blue ) and Dr. Samantha "Mandy" Joye descended in the Alucia submersibles to visit the brine pools and collect samples from this rarely visited ecosystem which could lead to medical breakthroughs or provide clues to the origins of life. Very few humans have ever seen the mysterious brine pools in person, an alien landscape of underwater lakes so salty that they kill most fish who get too close. The brine pools, however, are also thriving ecosystems, host to many species, and with a unique microbiological makeup that makes them extremely valuable to study.

What if you were the first person to lay eyes on a special place in the ocean? Almost 150 years ago, Norwegian scientists went on a groundbreaking expedition in the North Sea, collecting data that's still valuable today and discovering dozens of new species. But there was a catch: with the equipment available at that time, they couldn't actually see the deep-sea habitats they were studying. On our recent mission to Norway, researcher Anne Helene Tandberg from the University Museum of Bergen revisited stations from that historic voyage and used OceanXplorer's subsea technology to finally get a glimpse at the sites that helped establish Norway's reputation for great marine science.