• Score 9.1
  • Premiered: Mar 1974
  • Episodes: 966
  • Followers: 299
  • Rank #1404
  • Running
  • PBS
  • Wednesday at 9

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Season 43
43x23 Season finale
Arctic Ghost Ship
Episode overview
Air date
Sep 23, 2015
The Franklin Expedition is explored 160 years after vanishing while charting the Northwest Passage.
43x1
Secret Tunnel Warfare
Episode overview
Air date
Jan 06, 2016
During World War I, the Allies and Germans repeatedly struggled to break the hideous stalemate of trench warfare. In the winter of 1916, Allied engineers devised a massive surprise .. show full overview
43x2
Life's Rocky Start
Episode overview
Air date
Jan 13, 2016
Four and a half billion years ago, the young Earth was a hellish place—a seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, .. show full overview
43x3
Mystery Beneath the Ice
Episode overview
Air date
Jan 20, 2016
Tiny, transparent, and threatened, krill are crucial to the Antarctic ecosystem. But the population of krill is crashing for reasons that continue to baffle the experts. A leading theory .. show full overview
43x4
Himalayan Megaquake
Episode overview
Air date
Jan 27, 2016
On April 25, 2015, a devastating earthquake rocked Nepal. As it ripped across the Himalayas, it wiped out villages and left thousands dead. Hear the harrowing stories of the Nepalese .. show full overview
43x5
Creatures of Light
Episode overview
Air date
Feb 03, 2016
On a summer’s night, there’s nothing more magic than watching the soft glow of fireflies switching on and off. Few other life forms on land can light up the night, but in the dark depths .. show full overview
43x6
Memory Hackers
Episode overview
Air date
Feb 10, 2016
Memory is the glue that binds our mental lives. Without it, we’d be prisoners of the present, unable to use the lessons of the past to change our future. From our first kiss to where we .. show full overview
43x7
Iceman Reborn
Episode overview
Air date
Feb 17, 2016
He was stalked, attacked and left to die alone. Murdered more than 5,000 years ago, Otzi the Iceman is Europe’s oldest known natural mummy. Miraculously preserved in glacial ice, his .. show full overview
43x8
Rise of the Robots
Episode overview
Air date
Feb 24, 2016
Machines are everywhere. They run our factory assembly lines and make our coffee. But humanoid robots—machines with human-like capabilities—have long been the stuff of science fiction. .. show full overview
43x9
Vikings Unearthed
Episode overview
Air date
Apr 06, 2016
Uncover the truth behind the legendary Vikings and their epic journey to the Americas.
43x10
Can Alzheimer's Be Stopped?
Episode overview
Air date
Apr 13, 2016
Alzheimer's ravages the minds of over 40 million victims worldwide. Join scientists as they untangle the cause of this tragic illness and go behind the scenes of major drug trials to discover the therapies that may slow and even prevent the disease.
43x11
Wild Ways
Episode overview
Air date
Apr 20, 2016
Explore how newly established wildlife corridors offer hope to endangered species.
43x12
Operation Lighthouse Rescue
Episode overview
Air date
May 04, 2016
Engineers race to rescue the Gay Head Lighthouse on Martha's Vineyard from the ocean's erosion.
43x13
Bombing Hitler's Supergun
Episode overview
Air date
May 11, 2016
Engineers and World War II historians investigate Hitler's fearsome bank of "superguns."
43x14
15 Years of Terror
Episode overview
Air date
Sep 07, 2016
From 9/11 to today’s crowd-sourced violence, trace how terrorists’ strategies have evolved.
43x15
School of the Future
Episode overview
Air date
Sep 14, 2016
How the science of learning may change education for all children.
43x16
Great Human Odyssey
Episode overview
Air date
Oct 05, 2016
Follow our ancient ancestors’ footsteps out of Africa and into every corner of our planet.
43x17
Super Tunnel
Episode overview
Air date
Oct 12, 2016
Join engineers as they build a massive new railway deep beneath the streets of London.
43x18
Treasures of the Earth: Gems
Episode overview
Air date
Nov 02, 2016
Gemstones like diamonds, rubies, opal and jade are the ultimate treasures. Delve into Earth's depths to discover how these precious stones are forged and what explains the unique allure of each captivating gemstone.
43x19
Treasures of the Earth: Metals
Episode overview
Air date
Nov 09, 2016
Gold, bronze, iron, steel... metals are pillars of our civilization, but what makes them so special? Discover their unique properties and explore how our mastery of metals has led us from the stone age to today's hi-tech world.
43x20
Treasures of the Earth: Power
Episode overview
Air date
Nov 16, 2016
Drill down to discover how Earth's natural treasures provide bountiful energy to power our modern world yet are also driving us to seek new, cleaner alternatives that can help us keep the lights on.

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