Start Streaming Nature and Science Programs Now
Changing Planet
Changing Planet explore the planet’s most threatened ecosystems.
The Future of Nature
If we restore nature and let it thrive, can we turn the tide of climate change before it’s too late?
A Brief History of the Future
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Explore a unique documentary series about our futures and how we can reimagine them.
Weathered
Hosted by Maiya May, Weathered: Inside the LA Firestorm is coming to PBS on March 19th at 10/9c.
Big Cats 24/7
Follow lions, leopards and cheetahs day and night In Botswana’s wild Okavango Delta.
Hope in the Water
The story of people who are feeding our growing planet while working to save our oceans.
Dynamic Planet
Embark on this epic journey to witness how science, nature, and tradition define our future.
Nick on the Rocks
Nick Zentner, Senior Geology Lecturer, CWU, leads viewers on adventures in WA landscapes.
Evolution Earth
At the front lines of climate change, animals have a surprising story to tell.
Human Footprint
Explore the global impact of Earth’s most ingenious, destructive, and adaptable species.
Wild Scandinavia
See Scandinavia’s epic landscapes full of fjords, magical forests and fiery volcanoes.
Human Elements
The world of science is full of facts and figures, but behind the study are the people.
Out & Back with Alison Mariella Désir
Hosted by author, activist and runner Alison Mariella Désir.
Nature
Capturing the splendor of the natural world, from the African plains to the Antarctic ice.
The Invisible Shield
Public health saved your life today and you don't even know it.
First Contact: An Alien Encounter
Explore the dramatic story of an encounter with an extraterrestrial artifact.
The Earthshot Prize
Celebrate the recipients of The Earthshot Prize – Prince William's environmental award.
Rivers of Life
Explore extraordinary animals, landscapes, and people who live alongside iconic rivers.
Lion: The Rise and Fall of the Marsh Pride
Follow the Marsh pride as it battles for survival in Kenya’s Maasai Mara Reserve.
Planet California
A celebration of California's wildlife and wild places.
The Green Planet
Sir David Attenborough travels the globe to reveal the secret, incredible world of plants.
Colombia - Wild and Free
Explore the magnificent flora and fauna of Colombia.
The Trick
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True story of Philip Jones telling the cautionary tale of the 2009 Climate gate scandal.
Ozone Hole: How We Saved the Planet
The remarkable story of the deadly hole in the ozone layer - and how we managed to fix it.
NOVA
Explore scientific discoveries on television's most acclaimed science documentary series.
Secrets of the Surface: The Mathematical Vision of Maryam Mirzakhani
Examine the life of the first woman and the first Iranian to receive the Fields Medal.
Battle Over Bears Ears
Bears Ears, a remote section of land is at the center of a fight over who has a say in how western landscapes are protected and managed. Can Utah's diverse voices and interests find common ground?
Impossible Builds
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Learn about some of the world’s most ambitious and technologically advanced buildings.
Deeply Rooted
Exploring environmental justice in a changing Washington.
Life at the Waterhole
Explore the drama as African wildlife flock to a manmade waterhole rigged with cameras.
Human: The World Within
Explore the incredible universe inside each and every one of us.
Extinction: The Facts
David Attenborough explores the extinction crisis and how it drives pandemic diseases.
Crosscut Documentaries: Senior Year Was Crazy
Jackie navigates the end of high school and start of college amid the COVID-19 pandemic.
The Age of Nature
Explore humanity’s relationship with nature and wildlife.
When Disaster Strikes
See the mechanics of disaster relief from the heroes responding on the ground.
Crosscut Documentaries: Living with a Pandemic
Every walk of life has been upended by COVID-19.
Crosscut Documentaries: The Rising
Climate change threatens the future of several tribes on the Pacific Coast.
Expedition
Join Steve Backshall in uncharted territory to uncover the world’s last unknown places.
SciTech Now
SciTech Now captures the latest breakthroughs in science, technology and innovation.
The Amazing Human Body
Explore the internal mechanics of the human body.
Breakthrough: The Ideas That Changed the World
Take a journey through history told through iconic objects modern people take for granted.
Animal Babies: First Year on Earth
Follow 6 baby animals as they face the challenges of surviving their first year of life.
Life from Above
Behold Earth as it's never been seen before through images taken by cameras in space.
Beyond the Mirage: The Future of Water in the West
Explore the West's water crisis in detail, including how the region arrived at this point.
At Cascade PBS, we are committed to bringing you educational science and nature programs. Shows like Nature and NOVA keep you up-to-date on cutting edge science news, developments and information, and our original productions bring you local coverage from your own backyard.
Local Science & Environment Coverage
Out & Back with Alison Mariella Désir
Snowboarder Tina Blakey teaches Alison to carve lines down the slopes near Mount Rainier.
Out & Back with Alison Mariella Désir
Ebony Welborn and Savannah Smith guide Alison through the tidepools of Puget Sound.
Out & Back with Alison Mariella Désir
Self-taught mountaineer Cecil Sherwood takes Alison to climb a huge boulder at Little Si.
Out & Back with Alison Mariella Désir
PeiPei Sung, a mycology enthusiast, guides Alison deep into the North Bend forest.
Out & Back with Alison Mariella Désir
Alison tries skateboarding with Sara Campos and learns that falling isn’t always failure.
Out & Back with Alison Mariella Désir
Alison harvests fresh honey in West Seattle with beekeeping conservationist Chris Porter.
Out & Back with Alison Mariella Désir
Alison joins Erica Abel on an off-trail snowshoe adventure in the Methow Valley.
Out & Back with Alison Mariella Désir
Alison runs with Maryanna Brown, sharing their experiences as outdoor renaissance women.
Nick on the Rocks
Two unique types of granite formed far from each other before colliding in the Cascades.
Nick on the Rocks
Beacon Rock shoots 800 feet straight up out of the Columbia River. How did it get there?
Nick on the Rocks
Seattle’s geography resulted from an ice sheet that scoured the landscape 16,000 years ago.
Nick on the Rocks
A town nestled between two rivers with formations that mystify geologists to this day.
Nick on the Rocks
Index granite is famous for its texture, but Mount Index contains more mysterious rock.
Nick on the Rocks
The tulips of the Skagit Flats are connected to a stratovolcano high in the Cascades.
Nick on the Rocks
These canyons weren’t carved by rivers, and these lakes may not be so ancient after all.
Nick on the Rocks
Carved ancient bedrock meets gravel and sand brought from Canada 15,000 years ago.
Out & Back with Alison Mariella Désir
Alison Mariella Désir explores new opportunities for BIPOC communities in outdoor spaces.
Out & Back with Alison Mariella Désir
Alison joins Will Cortez for an adventure bike ride on hidden back roads and gravel paths.
Nature: Latest Episodes
Nature
A sloth scientist, her tree-climbing BFF, and their dog work to save Costa Rica’s sloth populations.
Nature
Meet the hippo, crocodile and lion families navigating the dry season in Katavi National Park.
Nature
Sir David Attenborough explores London’s Natural History Museum, where extinct creatures come alive.
Nature
A team of scientists and filmmakers explore the Antarctic waters to learn more about killer whales.
Nature
Follow three orphaned desert lion cubs as they navigate the brutal Skeleton Coast of Namibia.
Nature
Experience San Diego, where dazzling biodiversity thrives amidst a transformed urban landscape.
Nature
Discover the wildlife of Transylvania, a mysterious region hiding some of Europe’s last wilderness.
NOVA: Latest Episodes
NOVA
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
NOVA
Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.
NOVA
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.
NOVA
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
NOVA
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
NOVA
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
NOVA
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
Cat Videos
Big Cats 24/7
After fighting intruders, the dominant male lions disappear, leaving their family exposed.
Big Cats 24/7
The annual flood has finally arrived at Okavango Delta, bringing new challenges for the big cats.
Big Cats 24/7
The team witnesses a baby boom in the Delta, putting lion, leopard and cheetah mothers to the test.
Nature
Follow three orphaned desert lion cubs as they navigate the brutal Skeleton Coast of Namibia.
Changing Planet
Changing Planet revisits the team collecting vital data to protect Brazil's top predator.
In the America's with David Yetman
Conservation groups work for the ideal habitat for jaguars, mountain lions and ocelots
Digital Series: Weathered
Weathered
Maiya May investigates what caused the 2025 LA Wildfires and how we can prevent future disasters.
Weathered
Maiya explores the growing extremes of droughts and floods and their impact on our food and water.
Weathered
When is it time to leave your home? Maiya May explores climate adaptation on our changing planet.
Weathered
Maiya explores slowing ocean currents, electrification, and nature’s role in reaching net-zero.
Weathered
Explore the deadliest type of weather, heat, and learn how cities are turning the temperature down.
Weathered
Maiya explores climate tipping points and what our weather will look like as our climate changes.
Weathered
Flooding is getting worse, and not just from hurricanes or rising tides, but from heavy rainfall.
Weathered
Earth's climate has varied widely over its history so why do a few degrees concern us now?
Weathered
We want to see if we're still headed towards an apocalypse or if new policies have helped.
Weathered
We look at 6 major candidates on how they are all interconnected and influence each other.
Weathered
New research illuminates how a century of Redlining contributed to this deadly inequality.
Always Free Science & Environment
Deeply Rooted
Exploring environmental justice in a changing Washington.
Human Elements
The world of science is full of facts and figures, but behind the study are the people.
Vitals
Get the definitive answers to the health questions everyone is asking.
Antarctic Extremes
Journey to Antarctica and discover what it takes to do science at the bottom of the world.
Gross Science
Bizarre stories from the slimy, smelly, creepy world of science.
Hot Mess
Hot Mess is a show about how climate change impacts all of us.
Stellar
Stellar is a miniseries that explores frontiers in space science and exploration.
Out & Back with Alison Mariella Désir
Hosted by author, activist and runner Alison Mariella Désir.
To the Ends of the Earth
A visually stunning program featuring the work of wildlife photographer Todd Gustafson.
Human Footprint
Explore the global impact of Earth’s most ingenious, destructive, and adaptable species.
Women of the Earth
A series capturing the resilient work of female land stewards across the United States.
