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
S2E1 8.4
A Stitch in Time

At least 17 men have been executed in the last two decades without a clear motive, with the same gun. FBI Special Agent Jamie Pratt has to find how some of those murders were carried out when the gun had not yet been made.

#2
S5E12 8.4
Tribunal

Aaron Zgierski, a lawyer and the son of Holocaust survivors, is investigating the Nazi war criminal who murdered members of his family. He gets help from a mysterious time traveler who is able to procure evidence from Auschwitz in 1944.

#3
S1E13 8.1
Quality of Mercy

Major John Skokes has been captured and imprisoned by enemy aliens. He finds he is not alone in his cell, however, but with a cadet, Bree Tristan, from the Europa base. She believes three months have gone by since her imprisonment and she has a skin graft on her arm which she believes is the aliens' attempt to transform her into one of them. Skokes believes the war is over for them and their only job now is to find away to escape. As the aliens continue their experiments on Bree, the two prisoners develop a tenderness for one another. When they realize their attempts at escape are futile, John gives her hope for the future of mankind, which she desperately wants to hear.

#4 Afterlife S2E15 8.1
#5 Vanishing Act S2E21 8.1
#6 Decompression S6E13 8.1
#7 Patient Zero S7E2 8.1
#8 The New Breed S1E14 8.0
#9 Trial by Fire S2E9 7.9
#10 The Light Brigade S2E18 7.9

Lowlights

#152 S7E22 Human Trials 5.3

Military personnel are tested to find the best candidate for a very special mission. Each test may eliminate one of the four candidates. But what is the ultimate mission?

#151 In the Blood S7E11 5.6
#150 What Will the Neighbors Think? S5E9 5.7
#149 Seeds of Destruction S6E7 5.9
#148 The Heist S2E14 5.9

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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