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Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Untold Earth

This Bay Moves 100 Billion Tons of Water Every Day

Season 2 Episode 7

Where typical ocean tides average about three feet, the Bay of Fundy’s record-setting tides soar over 50. This means 160 billion tons of water rush through the bay twice every day, generating enough potential energy to power a small city. This singular phenomenon could revolutionize our approach to renewable energy, but harnessing the Bay of Fundy’s tidal power is also extremely complicated.

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Cuttlefish Are the Ocean’s Freakiest Little Weirdos
10:55
Every winter, giant cuttlefish gather by the thousands for a battle royale to win a mate.
Why These Bugs Live Inside Plants That Eat Them
8:22
In Florida’s wetlands the carnivorous pitcher plant is blurring the lines between predator and ally.
There’s Something Weird Going On With the Northern Lights
7:33
The Northern Lights captivate viewers, but there may be more to this phenomenon than meets the eye.
What Turned These Ancient Trees to Stone?
7:07
What secrets can we unearth about the future of our planet from this petrified forest in Arizona?
How Louisiana's Mega Swamp Breaks Hurricanes
7:53
Discover how The Atchafalaya Basin protects Louisiana's coast from hurricanes.
Untold Earth
10:06
Meet Pando, an ancient tree in Utah that has grown into one of Earth's largest living wonders.
Truffles Are Hiding a Dirty Little Secret
7:11
How are truffles key to the survival of the forest ecosystem at large?
Why Antelope Canyon Never Looks The Same Twice
6:49
What does it mean to preserve a place that is defined by it's impermanence?
This Upside Down Cave Is a Microscopic Warzone
5:57
Microbial warfare has been raging for thousands of years deep below the Chihuahuan Desert.
This Volcano Won't Stop Erupting
9:12
What does one of Earth's harshest environments teach us about planet survival?
What NASA Is Looking For In Yellowstone National Park
6:41
At 87º Celcius, the Grand Prismatic Spring is a beacon of microbial life and discovery.
The Story Behind This Giant Rock in the Middle of a Field
6:57
At 50 million years old, the origins of Devils Tower or Bears Lodge remains a mystery.
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