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
S1E1 9.1
One Ocean

Oceans are explored to better understand the world beneath the waves.

#2
S1E2 9.1
The Deep

A groundbreaking journey to the deepest parts of the oceans.

#3
S1E3 9.0
Coral Reefs

The ingenious ways life exists in the undersea cities of tropical reefs.

4 S1E5 Green Seas 8.9
5 S1E6 Coasts 8.8
6 S1E4 Big Blue 8.7
7 S1E7 Our Blue Planet 8.4

Lowlights

7 S1E7 Our Blue Planet 8.4

Scientists reveal what the future holds for our oceans.

3 S1E3 Coral Reefs 9.0
4 S1E5 Green Seas 8.9
5 S1E6 Coasts 8.8
6 S1E4 Big Blue 8.7

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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