Seasons & episodes
S52 · E4Egypt's Tombs of Amun 2025-02-12 · 54 min
A long-lost ancient cemetery opens the door to a unique period in Egyptian history.
S52 · E5Pompeii's Secret Underworld 2025-02-19 · 54 min
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
S52 · E6Baltimore Bridge Collapse 2025-02-26 · 54 min
Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.
S52 · E7Revolutionary War Weapons 2025-04-09 · 54 min
Explore key military technologies in the American colonies’ fight for freedom.
S52 · E8Secrets of the Forest 2025-04-16 · 54 min
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
S52 · E9Critical Condition: Health In Black America 2025-04-30 · 97 min
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.
S52 · E10Ultimate Crash Test: Countdown 2025-05-07 · 53 min
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?
S52 · E11Ultimate Crash Test: Impact 2025-05-14 · 53 min
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.
S52 · E12Human: Origins 2025-09-17 · 54 min
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.
S52 · E13Human: Journeys 2025-09-24 · 53 min
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.
S52 · E14Human: Neanderthal Encounters 2025-10-01 · 53 min
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?
S52 · E15Human: Into the Americas 2025-10-08 · 53 min
Follow ancient humans' perilous journey into the Americas, where a frigid Ice Age landscape, mammoths, and other fearsome beasts tested their resilience.
S52 · E16Human: Building Empires 2025-10-15 · 54 min
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.
S52 · E17Ancient Desert Death Trap 2025-10-22 · 53 min
Archaeologists investigate dozens of strange Stone Age megastructures in the Arabian desert. They're so big that their true form is visible only from the air, yet these giant structures were built by a mysterious people 9000 years ago.
S52 · E18Superfloods 2025-10-29 · 53 min
In September 2024, Hurricane Helene dumped 14 inches of rain on North Carolina, triggering flash floods and killing more than 100 people. Why are these floods on the rise around the world-even in places thousands of feet above sea level?
S52 · E19Operation Space Station: High-Risk Build 2025-11-05 · 54 min
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.
S52 · E20Operation Space Station: Science and Survival 2025-11-12 · 54 min
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.
S53 · E1Asteroids: Spark of Life? 2026-01-21 · 57 min
Imagine a time when Earth was a molten, volcanic wasteland, heavily bombarded by colossal asteroids. We’ve long feared these cosmic impacts as destroyers of life, but what if they were the key to our very existence? Explore a revolutionary theory suggesting that these violent collisions provided the essential ingredients – water, minerals, and energy – needed for life to ignite on our planet. Discover how scientists are unearthing evidence from lunar rocks and ancient impact craters, revealing that the very objects known for extinguishing life might have actually sparked it.
S53 · E2Angkor Wat 2026-01-28 · 57 min
Uncover the lost secrets of a once-mighty empire. The city of Angkor, the seat of the great Khmer Empire in Southeast Asia for 500 years, was once the biggest city in the world. For centuries, this incredible civilization flourished, building the largest religious monument on Earth, Angkor Wat, and mastering urban engineering in a challenging landscape. But then it was mysteriously abandoned, swallowed by the jungle. Now, cutting-edge technology and new discoveries are finally revealing how this astounding empire rose to global prominence – and what likely led to its devastating collapse. Follow a scientific detective story that is challenging everything we thought we knew about this ancient metropolis.
S53 · E3Can Dogs Talk? 2026-02-04 · 56 min
Imagine a world where your furry best friend could tell you exactly what they're thinking. A growing number of dog owners claim this is already happening, thanks to innovative word buttons that seem to unlock a new realm of canine communication. But are these dogs truly understanding what we’re saying — and talking back? Are they really thinking creatively, applying words in new contexts? Or is this just clever conditioning? To find out, scientists are conducting the largest animal communication study in history, analyzing millions of button presses from thousands of dogs worldwide. Witness astonishing moments that challenge our assumptions about animal intelligence, from dogs that seemingly engage in conversations to those who learn new words with incredible speed. Prepare to question everything you thought you knew about the minds of dogs and discover just how far their linguistic abilities might stretch.
S53 · E4Mammal Origins 2026-02-11 · 56 min
Uncover the surprising ancient origins of mammals, a story that began long before the dinosaurs' reign. Surveying Earth's tumultuous past reveals how some of our earliest ancestors, the therapsids – creatures that looked like reptiles but were starting to develop mammalian traits – survived multiple global catastrophes. Through remarkable adaptations like burrowing and the emergence of warm-bloodedness, they forged a lineage that persevered against all odds. Fascinating fossil clues and cutting-edge science reveal how a small, resilient group of animals faced extinction events, outlived giants, and ultimately gave rise to the diverse world of mammals we know today, including us.
S53 · E5Rain Bombs 2026-02-18
An invisible, unpredictable atmospheric force is wreaking havoc across the globe, sinking superyachts and bringing down planes. Follow scientists as they race to understand these catastrophic weather events, exploring how they form, what causes their devastating impacts, and how we might someday learn to predict them. From high-tech simulations and drone expeditions into thunderclouds to possible links with climate change, join investigators on the cutting edge of research to discover what's truly behind these terrifying "rain bombs" and how we can protect ourselves from their growing power.