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Overview is a nature series with an unexpected perspective. Breathtaking visuals zoom out to reveal Earth’s grand forces, then dive in to uncover hidden stories. Each episode is a journey of discovery, inviting viewers to see the planet more clearly and from a whole new point of view.

Watch • 12:24
Overview
What Happened to America’s First Megacity?
Can new scientific research help unravel the mystery of Cahokia's disappearance?
Episode: S2 E6 | 12:24
Watch • 16:32
Overview
What happened to the once lush, now desert-like Colorado River Delta?
What happened to the once lush, now desert-like Colorado River Delta?
Episode: S2 E5 | 16:32
Watch • 9:34
Overview
Why This Unusual Pattern May Save the Rainforests
How is this groundbreaking experiment in Ecuador helping deforested rainforests recover?
Episode: S2 E4 | 9:34
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  • Overview Season 3
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Watch • 10:27
Overview
How Millions of Endangered Sea Turtles Find This Tiny Beach
Each fall in Costa Rica, one of nature's strangest spectacles takes place–a tsunami of sea turtles.
Episode: S3 E1 | 10:27
Watch • 8:27
Overview
Earth's Worst Mass Extinction Is Actually a Warning
The West Texas desert has a surprising feature: a prehistoric ocean reef.
Episode: S2 E12 | 8:27
Watch • 13:34
Overview
The Modern City That Was Buried By a Volcano
The Caribbean town of Plymouth lies frozen in the ash of a devastating volcano.
Episode: S2 E11 | 13:34
Watch • 12:10
Overview
Can We Save Mexico City’s Famous Axolotls?
Meet the axolotl, Mexico City’s endangered, smiling salamander.
Episode: S2 E10 | 12:10
Watch • 10:48
Overview
Is This Earth’s Most Treacherous Coastline?
North Carolina’s Outer Banks may be one of the most dangerous coastlines in the world.
Episode: S2 E9 | 10:48
Watch • 12:13
Overview
Why Crocodiles Are Thriving in the Shadow of A Nuclear Plant
Florida's once endangered crocodiles are making a very unlikely comeback!
Episode: S2 E8 | 12:13
Watch • 13:32
Overview
Scientists Solve the Mystery of a 300-Year-Old Megaquake
Scientists find the exact time of a massive quake using trees, soil and human records.
Episode: S2 E7 | 13:32
Watch • 12:24
Overview
What Happened to America’s First Megacity?
Can new scientific research help unravel the mystery of Cahokia's disappearance?
Episode: S2 E6 | 12:24
Watch • 16:32
Overview
What happened to the once lush, now desert-like Colorado River Delta?
What happened to the once lush, now desert-like Colorado River Delta?
Episode: S2 E5 | 16:32
Watch • 9:34
Overview
Why This Unusual Pattern May Save the Rainforests
How is this groundbreaking experiment in Ecuador helping deforested rainforests recover?
Episode: S2 E4 | 9:34
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