
Wild Oceans
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Changing Seas
Scientists study the extensive salt marshes in the southeastern U.S., a vital nursery ground for marine species, and its resilience to climate change.
Upcoming

Changing Seas
Upgrades to the deep-sea submersible Alvin will take it deeper than ever before, allowing Alvin to continue its revolutionary scientific work.

Changing Seas
Scientists work on restoration projects to ensure the future of fisheries for tarpon and snook, two of Florida's most iconic game fish.

Changing Seas
Scientists in Hawaii and Alaska study why sightings of humpback whales dropped.

Changing Seas
Studying humpback whales in their Hawaiian feeding grounds and Alaskan breeding grounds to determine how the body size and overall health of the animals change across their migratory cycle.

Changing Seas
Experts work against time to conserve and restore kelp in the Puget Sound ecosystem.

Changing Seas
Scientists work to restore the seagrass that Florida's manatees depend on, while managers take the unprecedented measure of feeding the animals in the meantime.

Changing Seas
Seashells have inspired humans since the dawn of time and the animals which make them, and their unique place in the web of life.

Changing Seas
Catching and tagging sharks along the Belize Barrier Reef, local fishers leverage their generational knowledge to help marine scientists and fisheries managers keep shark populations healthy for all.

Diving With Sharks: The Ultimate Guide
What do sharks take away from encounters with us? Follow renowned filmmakers Emma and Andy Casagrande on their quest to dive with the world's largest predatory sharks, from the ferocious great white to sleek tigers and the oceanic white tip.

The Wild Pacific
The Pacific Ocean is the largest body of water on Earth. It is a vast ecosystem that is home to a stunning menagerie of creatures.

Life in the Reeds
Exploring a strange territory, one where people aren't welcome, and it feels uneasy to enter: the swamps.

Journey to the Sea of Cortez
The story of John Steinbeck's journey of inspiring new efforts to preserve the global biosphere of the oceans.

Surviving the Lagoon
A look at the dangerous obstacles that a surgeonfish must tackle to survive; only one out of a million surgeonfish will make it to adulthood; a glimpse into the behavior of sharks, whales, manta rays, groupers and other marine life.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef is a living, breathing organism supporting the richest, most complex ecosystem on the planet.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef is the only place in the world where ancient rainforests meet a tropical reef, with the coastal fringe supporting a variety of unique wildlife.

The Great Barrier Reef: A Living Treasure
Stretching 2,300 kilometers down the northeast coast of Queensland, the reef is home to over 900 islands, each with their own unique biology and fauna.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef lies in the Coral Sea where wildlife flourishes in the pristine, tropical seas, home to the world's richest marine ecosystem.

Wild Albania
Albania is a land of natural bounty, from the Alps to the Adriatic; discover this country's secrets.

Secret World of Mollusks
The world of mollusks, which is truly one of a kind.

Coral, Heart of The Ocean
Fervent advocate of environmental protection, Prince Albert II of Monaco joins an expedition to Tubbataha Park in the Philippines, one of the best preserved coral reefs in the world.

The Last Walrus: Suffering in Captivity
Animal trainer, Phil Demers becomes an unlikely whistleblower against Marineland and starts a personal quest to end marine mammal captivity.

The Wild Pacific
The Pacific Ocean is the largest body of water on Earth. It is a vast ecosystem that is home to a stunning menagerie of creatures.

Life in the Reeds
Exploring a strange territory, one where people aren't welcome, and it feels uneasy to enter: the swamps.

Journey to the Sea of Cortez
The story of John Steinbeck's journey of inspiring new efforts to preserve the global biosphere of the oceans.

Surviving the Lagoon
A look at the dangerous obstacles that a surgeonfish must tackle to survive; only one out of a million surgeonfish will make it to adulthood; a glimpse into the behavior of sharks, whales, manta rays, groupers and other marine life.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef is a living, breathing organism supporting the richest, most complex ecosystem on the planet.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef is the only place in the world where ancient rainforests meet a tropical reef, with the coastal fringe supporting a variety of unique wildlife.

The Great Barrier Reef: A Living Treasure
Stretching 2,300 kilometers down the northeast coast of Queensland, the reef is home to over 900 islands, each with their own unique biology and fauna.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef lies in the Coral Sea where wildlife flourishes in the pristine, tropical seas, home to the world's richest marine ecosystem.

Wild Albania
Albania is a land of natural bounty, from the Alps to the Adriatic; discover this country's secrets.

Secret World of Mollusks
The world of mollusks, which is truly one of a kind.

Coral, Heart of The Ocean
Fervent advocate of environmental protection, Prince Albert II of Monaco joins an expedition to Tubbataha Park in the Philippines, one of the best preserved coral reefs in the world.

The Last Walrus: Suffering in Captivity
Animal trainer, Phil Demers becomes an unlikely whistleblower against Marineland and starts a personal quest to end marine mammal captivity.

Superfish: Bluefin Tuna
A quest to find the last refuge of the bluefin tuna.

The Lost Island of Madre de Dios
The divers, geologists and biologists face extreme conditions to study this unexplored Antarctic land.

Shark Cinema Science
A cinematic undersea journey exploring advanced shark research around the world with an acclaimed National Geographic filmmaker and Shark Week star.

Penguins: The African Chaplin
African penguins are unique on the African continent and fight against extinction. Despite the protection of the islands where they live, the population continues to decline and scientists are trying to prevent the disappearance of the species.

Expedition Antarctica
A hardy research crew seeks clues about the fate of our planet beneath the icy waters of the Antarctic Ocean.

Changing Seas
Shore-based, catch and release shark fishing; scientists team up with anglers to study the survival rates of the fish and conduct outreach on best practices.

Changing Seas
Scientists study the extensive salt marshes in the southeastern U.S., a vital nursery ground for marine species, and its resilience to climate change.

Changing Seas
Upgrades to the deep-sea submersible Alvin will take it deeper than ever before, allowing Alvin to continue its revolutionary scientific work.

Changing Seas
Scientists work on restoration projects to ensure the future of fisheries for tarpon and snook, two of Florida's most iconic game fish.

Changing Seas
Scientists in Hawaii and Alaska study why sightings of humpback whales dropped.

Changing Seas
Studying humpback whales in their Hawaiian feeding grounds and Alaskan breeding grounds to determine how the body size and overall health of the animals change across their migratory cycle.

Changing Seas
Experts work against time to conserve and restore kelp in the Puget Sound ecosystem.

Changing Seas
Scientists work to restore the seagrass that Florida's manatees depend on, while managers take the unprecedented measure of feeding the animals in the meantime.

Changing Seas
Seashells have inspired humans since the dawn of time and the animals which make them, and their unique place in the web of life.

Changing Seas
Catching and tagging sharks along the Belize Barrier Reef, local fishers leverage their generational knowledge to help marine scientists and fisheries managers keep shark populations healthy for all.

Diving With Sharks: The Ultimate Guide
What do sharks take away from encounters with us? Follow renowned filmmakers Emma and Andy Casagrande on their quest to dive with the world's largest predatory sharks, from the ferocious great white to sleek tigers and the oceanic white tip.

Changing Seas
Shore-based, catch and release shark fishing; scientists team up with anglers to study the survival rates of the fish and conduct outreach on best practices.

Changing Seas
Scientists study the extensive salt marshes in the southeastern U.S., a vital nursery ground for marine species, and its resilience to climate change.

Changing Seas
Upgrades to the deep-sea submersible Alvin will take it deeper than ever before, allowing Alvin to continue its revolutionary scientific work.

Changing Seas
Scientists work on restoration projects to ensure the future of fisheries for tarpon and snook, two of Florida's most iconic game fish.

Changing Seas
Scientists in Hawaii and Alaska study why sightings of humpback whales dropped.

Changing Seas
Studying humpback whales in their Hawaiian feeding grounds and Alaskan breeding grounds to determine how the body size and overall health of the animals change across their migratory cycle.

Changing Seas
Experts work against time to conserve and restore kelp in the Puget Sound ecosystem.

Changing Seas
Scientists work to restore the seagrass that Florida's manatees depend on, while managers take the unprecedented measure of feeding the animals in the meantime.

Changing Seas
Seashells have inspired humans since the dawn of time and the animals which make them, and their unique place in the web of life.

Changing Seas
Catching and tagging sharks along the Belize Barrier Reef, local fishers leverage their generational knowledge to help marine scientists and fisheries managers keep shark populations healthy for all.

Diving With Sharks: The Ultimate Guide
What do sharks take away from encounters with us? Follow renowned filmmakers Emma and Andy Casagrande on their quest to dive with the world's largest predatory sharks, from the ferocious great white to sleek tigers and the oceanic white tip.

The Wild Pacific
The Pacific Ocean is the largest body of water on Earth. It is a vast ecosystem that is home to a stunning menagerie of creatures.

Superfish: Bluefin Tuna
A quest to find the last refuge of the bluefin tuna.

The Lost Island of Madre de Dios
The divers, geologists and biologists face extreme conditions to study this unexplored Antarctic land.

Shark Cinema Science
A cinematic undersea journey exploring advanced shark research around the world with an acclaimed National Geographic filmmaker and Shark Week star.

Penguins: The African Chaplin
African penguins are unique on the African continent and fight against extinction. Despite the protection of the islands where they live, the population continues to decline and scientists are trying to prevent the disappearance of the species.

Expedition Antarctica
A hardy research crew seeks clues about the fate of our planet beneath the icy waters of the Antarctic Ocean.

Wild Albania
Albania is a land of natural bounty, from the Alps to the Adriatic; discover this country's secrets.

Secret World of Mollusks
The world of mollusks, which is truly one of a kind.

Coral, Heart of The Ocean
Fervent advocate of environmental protection, Prince Albert II of Monaco joins an expedition to Tubbataha Park in the Philippines, one of the best preserved coral reefs in the world.

The Last Walrus: Suffering in Captivity
Animal trainer, Phil Demers becomes an unlikely whistleblower against Marineland and starts a personal quest to end marine mammal captivity.

Life in the Reeds
Exploring a strange territory, one where people aren't welcome, and it feels uneasy to enter: the swamps.

Journey to the Sea of Cortez
The story of John Steinbeck's journey of inspiring new efforts to preserve the global biosphere of the oceans.

Surviving the Lagoon
A look at the dangerous obstacles that a surgeonfish must tackle to survive; only one out of a million surgeonfish will make it to adulthood; a glimpse into the behavior of sharks, whales, manta rays, groupers and other marine life.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef is a living, breathing organism supporting the richest, most complex ecosystem on the planet.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef is the only place in the world where ancient rainforests meet a tropical reef, with the coastal fringe supporting a variety of unique wildlife.

The Great Barrier Reef: A Living Treasure
Stretching 2,300 kilometers down the northeast coast of Queensland, the reef is home to over 900 islands, each with their own unique biology and fauna.

The Great Barrier Reef: A Living Treasure
The Great Barrier Reef lies in the Coral Sea where wildlife flourishes in the pristine, tropical seas, home to the world's richest marine ecosystem.

Wild Albania
Albania is a land of natural bounty, from the Alps to the Adriatic; discover this country's secrets.

Secret World of Mollusks
The world of mollusks, which is truly one of a kind.

Coral, Heart of The Ocean
Fervent advocate of environmental protection, Prince Albert II of Monaco joins an expedition to Tubbataha Park in the Philippines, one of the best preserved coral reefs in the world.

The Last Walrus: Suffering in Captivity
Animal trainer, Phil Demers becomes an unlikely whistleblower against Marineland and starts a personal quest to end marine mammal captivity.

Surviving the Lagoon
A look at the dangerous obstacles that a surgeonfish must tackle to survive; only one out of a million surgeonfish will make it to adulthood; a glimpse into the behavior of sharks, whales, manta rays, groupers and other marine life.

Voyage of Darwin's Beagle: On The Future of Species
Darwin's great-great-granddaughter and a crew of authors, artists and scientists retrace Charles Darwin's voyage; a journey from Tenerife to the rainforests of the Amazon.

Voyage of Darwin's Beagle: On The Future of Species
The clipper crosses the Strait of Magellan; Redmond examines the value of salmon farms; Sarah retraces Darwin's journey into the Andes Mountains, an expedition he considered to be one of the highlights of his voyage.

Voyage of Darwin's Beagle: On The Future of Species
The crew makes for Australia to examine the effect that human habitation and the introduction of invasive species has had on the island; how climate change has impacted the land and its inhabitants.

Fish Life
Numerous marine creatures that have developed camouflages playing on color, shape and even posture.

Fish Life
An examination of the ocean's food chain, from the smallest to the biggest.

Fish Life
How marine animals' appearances, behaviors or sizes can initially appear strange.

Fish Life
An examination into what happens to life underwater when darkness falls.

Fish Life
A journey around and into the entrances of a coral reef.

Wild Albania
Albania is a land of natural bounty, from the Alps to the Adriatic; discover this country's secrets.

Secret World of Mollusks
The world of mollusks, which is truly one of a kind.

Blue Water Savages
Meet the Dusky Shark, a large predatory shark with a serious attitude that hunts coastal and offshore waters.

Blue Water Savages
Robin and Eli encounter the oceanic whitetip shark, one of the most dangerous sharks in the world.

Blue Water Savages
Tiger sharks display a wide range of behavior, if you're playing in the surf or diving in deep water when you meet one, the experience can be quite different.

Blue Water Savages
The lemon shark is one of the most intelligent sharks, and is known for a vicious temper... but do they actually respond to human touch and affection?

Blue Water Savages
Eli and Robin investigate bull shark behavior when confronted with SCUBA and then with Freedivers.

Blue Water Savages
If you spearfish in shark infested waters, this episode may just save your life.

Blue Water Savages
Smooth Hammerheads have moved into California waters in a big way, Eli and Robin want to see how aggressive these visitors are.

Blue Water Savages
Eli and Robin join shark guide Keith Poe as we hunt for a monster mako shark.

Freediving with Killer Whales
North of the polar circle, with a mask and a snorkel, Stig Severinsen's dream becomes reality as he explores the world of the killer whale.

Superfish
A look at the billfish which is the largest, fastest, and most highly prized of all game fish.

Fish Life
Aside from dolphins, sharks, manta rays and whales, there are the other more humble and discreet creatures of the sea.

Fish Life
On the beach or underwater, the sand is a place teeming with life.

Fish Life
An exploration into the reasons behind the many colors of fish.

Fish Life
The many different facets of sexual behavior and reproduction in the undersea world.

Fish Life
Dating back over 200 million years, coral reefs are places of habitat, food supplies and mutual aid.

Fish Life
Hazards in the ocean are more often under cover than where most would expect.

Ocean Wild
Exploring some of the sea creatures off the coast of the Philippines.

Ocean Wild
With 17,000 islands, the Indonesia Archipelago is one of the most biodiverse places on earth.