#1
S1E5
Water World
The story of water's miraculous arrival onto our planet and its pivotal role in the survival — and amusement — of a herd of elephants.
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Episode Power Rankings
The peaks and the valleys. Find the essential episodes — and the ones to skip.
#2
S1E3
Turning Seasons
Dive into the long year of the Alaskan brown bear through the Earth's seasonal cycle amid the frigid winter months and into the warmth of summer.
#3
S1E4
Elemental
The elements that constitute every living being were formed within the very first stars. Today, a green sea turtle searches the ocean for them.
#4
The Cosmic Clock
S1E2
#5
Force of Attraction
S1E6
#6
Chasing Starlight
S1E1
Lowlights
A penetrating look at the sun as a vital source of energy and its impact on one cheetah's search for food in the sprawling plains of the Serengeti.
#5
Force of Attraction
S1E6
#4
The Cosmic Clock
S1E2
#3
Elemental
S1E4
#2
Turning Seasons
S1E3
The Quality Arc
Each point is an episode, plotted in order. Colored bands mark season boundaries. Look for the rise, the plateau, or the decline.
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Episode Engagement
High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.
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