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
S1E6 7.5
Episode VI

In the middle of the winter, a small group of scientists in charge of an international base in the Antartica during the long polar nights stops communicating with the outside world.

#2
S1E3 7.4
Episode III

As Maggie begins to recount details of how the members of the team were killed, the search team discovers a frozen hand peeking out from the snow near the base.

#3
S3E1 7.4
Episode XIII

In Bir Tawil, a lawless territory in the middle of the desert, Rachel, Maggie and a new group of scientists test bacteria from their research on humans for the next phase of the trial. But after an uninvited visitor and an unexpected death, Maggie and Rachel fear their worst nightmare is happening all over again.

#4 Episode II S1E2 7.3
#5 Episode IV S1E4 7.3
#6 Episode V S1E5 7.3
#7 Episode I S1E1 7.2
#8 Episode XII S2E6 7.1
#9 Episode X S2E4 7.0
#10 Episode IX S2E3 6.9

Lowlights

#18 S3E6 Episode XVIII 6.6

When Rachel goes into labor, a brief truce occurs with Maggie, who helps deliver her baby. Shortly after, an unexpected downpour saves them both from dehydration, but only briefly, as the killer ultimately strikes again. Later, the identity of XX is revealed.

#17 Episode XVI S3E4 6.6
#16 Episode XV S3E3 6.7
#15 Episode XIV S3E2 6.7
#14 Episode XI S2E5 6.7

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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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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