Episode Ratings Grid

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Episode Power Rankings

The peaks and the valleys. Find the essential episodes — and the ones to skip.

#1
S1E5 8.1
In the Shadow of Giants

The formation of continents with varied environments allowed for an explosion of biodiversity — and turbo-charged the evolution of mighty dinosaurs.

#2
S1E3 8.0
Invaders of the Land

Sprawling moss, towering trees, flying insects, limbed amphibians: Early species vied for domination as the land went from hostile to hospitable.

#3
S1E4 8.0
In Cold Blood

After Earth's third mass extinction, mammals' surviving ancestors ruled the supercontinent Pangea. But lizards soon ushered in the age of reptiles.

#4 Out of the Ashes S1E6 8.0
#5 Age of Ice and Fire S1E8 8.0
#6 The First Frontier S1E2 7.9
#7 Inheriting the Earth S1E7 7.9
#8 The Rules of Life S1E1 7.6

Lowlights

#8 S1E1 The Rules of Life 7.6

Evolution. Competition. Mass extinction. Three fundamental rules have driven the rise and fall of life on Earth for over four billion years.

#7 Inheriting the Earth S1E7 7.9
#6 The First Frontier S1E2 7.9
#5 Age of Ice and Fire S1E8 8.0
#4 Out of the Ashes S1E6 8.0

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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Season Momentum

Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.

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Season Consistency

How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.

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