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 8.6
Landing the Eagle

When We Left the Earth chronicles the Apollo program up until the historic Apollo 11 landing on the moon.

#2
S1E1 8.4
Mercury: Ordinary Supermen

When We Left Earth examines the history of American spaceflight starting with the X-15 rocket plane and the Mercury program.

#3
S1E2 8.3
Friends and Rivals

When We Left the Earth examines the Gemini program and how it prepared the space program for the landing on the moon.

#4 Home in Space S1E6 8.3
#5 The Explorers S1E4 8.2
#6 The Shuttle S1E5 8.1
#7 40th Anniversary Special S1E7 7.8

Lowlights

#7 S1E7 40th Anniversary Special 7.8
#6 The Shuttle S1E5 8.1
#5 The Explorers S1E4 8.2
#4 Home in Space S1E6 8.3
#3 Friends and Rivals S1E2 8.3

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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