Operation Space Station: High-Risk Build
From ammonia leaks to Space Shuttle disasters to a spacewalk gone terribly wrong, astronauts and Mission Control insiders relive the most terrifying moments during construction of the International Space Station.
Episodes
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Operation Space Station: High-Risk Build
S52 E19 - 53m 40s
From ammonia leaks to Space Shuttle disasters to a spacewalk gone terribly wrong, astronauts and Mission Control insiders relive the most terrifying moments during construction of the International Space Station.
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Superfloods
S52 E18 - 53m 28s
Recent deadly flash floods have wreaked havoc in the US and beyond. Explore why dangerous floods are on the rise and what can be done to protect more lives when they strike.
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Ancient Desert Death Trap
S52 E17 - 53m 21s
Deep in the Arabian Desert lie thousands of enigmatic stone megastructures whose true form is visible only from the sky. Follow archaeologists as they decipher the mysterious remnants of a Stone Age culture and discover their true purpose.
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Human: Building Empires
S52 E16 - 53m 32s
Discover how Homo sapiens transformed from nomads to empire builders. Witness the innovations – from animal domestication to writing – that revolutionized ancient life and shaped our modern world.
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Human: Into the Americas
S52 E15 - 53m 25s
Follow ancient humans’ perilous journey into the Americas, where a frigid Ice Age landscape, mammoths, and other fearsome beasts tested their resilience.
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Human: Neanderthal Encounters
S52 E14 - 53m 27s
For 400,000 years, Neanderthals thrived across frigid, Ice Age Europe. What happened when Homo sapiens arrived, and how did these encounters change our species – including our DNA – in ways still with us today?
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Human: Journeys
S52 E13 - 53m 25s
Follow Homo Sapiens as they venture across the world, farther than any other human species. See how they invented new tools to thrive in challenging environments – and meet the mysterious hobbit-like humans they may have encountered along the way.
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Human: Origins
S52 E12 - 53m 32s
Where did humans come from, and what makes us unique? Discover the remarkable origins of Homo sapiens, and the crucial moments of innovation, communication, and ritual that set us on our path.
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Ultimate Crash Test: Impact
S52 E11 - 53m 27s
Car safety experts just pulled off a first-of-its-kind remote controlled multi-vehicle pile up. Now investigators are put to the test as they analyze the data and look for insights into driver behavior and vehicle design.
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Ultimate Crash Test: Countdown
S52 E10 - 53m 29s
What really happens in a multi-vehicle pileup? A first-of-its-kind experiment aims to stage a high speed crash to gain new insights on car safety. But how can they create and study a complex collision without putting any lives in danger?
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Critical Condition: Health in Black America
S52 E9 - 1h 36m
Black Americans are nearly twice as likely to suffer from chronic diseases than Whites. Why? From false beliefs that permeate modern medicine to life experiences that can damage human cells, uncover the underlying causes of racial health disparities.
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Secrets of the Forest
S52 E8 - 53m 41s
Can forests help cool the planet? Follow scientists through spectacular landscapes as they study complex networks of trees, fungi, and creatures large and small – all in a quest to tackle the twin threats of climate change and species extinction.
Extras + Features
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Operation Space Station: Science and Survival Preview
S52 E20 - 30s
Witness life-or-death decisions 250 miles above Earth, as astronauts and Mission Control work together to survive moments of high danger on board humanity’s remarkable orbiting laboratory, the International Space Station.
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Operation Space Station: High-Risk Build Preview
S52 E19 - 30s
From ammonia leaks to Space Shuttle disasters to a spacewalk gone terribly wrong, astronauts and Mission Control insiders relive the most terrifying moments during construction of the International Space Station.
-
Superfloods: Preview
S52 E18 - 30s
Recent deadly flash floods have wreaked havoc in the US and beyond. Explore why dangerous floods are on the rise and what can be done to protect more lives when they strike.
-
Ancient Desert Death Trap: Preview
S52 E17 - 30s
Deep in the Arabian Desert lie thousands of enigmatic stone megastructures whose true form is visible only from the sky. Follow archaeologists as they decipher the mysterious remnants of a Stone Age culture and discover their true purpose.
-
Human: Building Empires Preview
S52 E16 - 30s
Discover how Homo sapiens transformed from nomads to empire builders. Witness the innovations – from animal domestication to writing – that revolutionized ancient life and shaped our modern world.
-
Human: Into the Americas Preview
S52 E15 - 30s
Follow ancient humans’ perilous journey into the Americas, where a frigid Ice Age landscape, mammoths, and other fearsome beasts tested their resilience.
-
Human: Neanderthal Encounters Preview
S52 E14 - 30s
For 400,000 years, Neanderthals thrived across frigid, Ice Age Europe. What happened when Homo sapiens arrived, and how did these encounters change our species – including our DNA – in ways still with us today?
-
Human: Journeys Preview
S52 E13 - 30s
Follow Homo Sapiens as they venture across the world, farther than any other human species. See how they invented new tools to thrive in challenging environments – and meet the mysterious hobbit-like humans they may have encountered along the way.
-
Signs of Life on Mars? NASA's Discovery, Explained
S52 - 3m 38s
Billions of years ago, Mars’ Jezero Crater held a lake fed by rivers that could have carried minerals and maybe even organic matter. On Earth, places like that are teeming with microbial life.
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Human: Origins Preview
S52 E12 - 30s
Where did humans come from, and what makes us unique? Discover the remarkable origins of Homo sapiens, and the crucial moments of innovation, communication, and ritual that set us on our path.
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The Next Big Earthquake Could Sink Parts of the Pacific Northwest
S52 - 5m 8s
A 2025 study suggests that when the next "Big One" hits, coastal land could sink by up to 6 feet. That sudden drop could instantly double the number of people, homes, and roads exposed to flooding.
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How Harvard Discovered It Has an Original Copy of the Magna Carta
S52 - 3m 13s
Researchers used ultraviolet scans to compare Harvard Law School’s copy of the Magna Carta, word for word, against the other known originals. Their analysis helped confirm it was an original from 1300.
Schedule
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Image
NOVA
Operation Space Station: High-Risk Build
Saturday
Nov 8
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: High-Risk Build
Sunday
Nov 9
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: High-Risk Build
Sunday
Nov 9
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: High-Risk Build
Sunday
Nov 9
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: High-Risk Build
Tuesday
Nov 11
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: High-Risk Build
Wednesday
Nov 12
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: High-Risk Build
Wednesday
Nov 12
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Wednesday
Nov 12
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Wednesday
Nov 12
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Thursday
Nov 13
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Thursday
Nov 13
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Thursday
Nov 13
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Thursday
Nov 13
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Saturday
Nov 15
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Sunday
Nov 16
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Sunday
Nov 16
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Sunday
Nov 16
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Tuesday
Nov 18
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Wednesday
Nov 19
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space. -
Image
NOVA
Operation Space Station: Science and Survival
Wednesday
Nov 19
1 Hour
Terrifying moments of high danger on the International Space Station, when ingenuity and teamwork keep astronauts alive as they do remarkable science in space.
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