#1
S2E10
The Grey
Tensions between the U.S. and the Soviet Union reach an all-time high on the moon, throwing multiple missions into jeopardy.
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The peaks and the valleys. Find the essential episodes — and the ones to skip.
#2
S1E10
A City Upon a Hill
Ed handles a trespasser. Ellen and Deke chart a new course without Mission Control.
#3
S4E10
Perestroika
Tensions on Earth and Mars come to a head.
#4
Bent Bird
S1E9
#5
Stranger in a Strange Land
S3E10
#6
Triage
S2E9
#7
Happy Valley
S3E4
#8
Into the Abyss
S1E5
#9
Rupture
S1E8
#10
Polaris
S3E1
Lowlights
The astronauts move quickly to build Martian bases.
#39
Bring It Down
S3E7
#38
Have a Nice Sol
S4E2
#37
The Bleeding Edge
S2E2
#36
House Divided
S4E4
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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Series Trajectory
One point per season. Smooths out the episode-to-episode noise to reveal the bigger arc.
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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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