Episode Ratings Grid

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Great
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Episode Power Rankings

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

#1
S1E3 8.4
Giants

The Planets looks at the "Grand Tour" of the outer solar system provided by the Voyager space probes.

#2
S1E4 8.2
Moon

The Planets looks manned and unmanned exploration of the Moon and considers theories of its age and origin.

#3
S1E2 8.0
Terra Firma

The Planets looks at unmanned exploration of our solar system focusing on the discoveries of the Mariner, Venera, Viking, and Voyager probes.

#4 Star S1E5 8.0
#5 Atmosphere S1E6 8.0
#6 Destiny S1E8 7.9
#7 Different Worlds S1E1 7.8
#8 Life S1E7 7.7

Lowlights

#8 S1E7 Life 7.7

The Planets examines the prospects of life on other worlds in our solar system. It looks at Venus, Mars, and the water bearing moons of the outer planets.

#7 Different Worlds S1E1 7.8
#6 Destiny S1E8 7.9
#5 Atmosphere S1E6 8.0
#4 Star S1E5 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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