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
S3E6 9.2
Certain Agony of the Battlefield

Paul digs and finds the ugly truth behind the Castor Boys’ logbooks of names, pushing him into action. Meanwhile, Felix is desperate for info on Sarah’s whereabouts, and presses the still-ailing Rachel for any shred of a lead. In order for Donnie and Alison to take their money-making endeavor to the “next level” she must introduce Jason Kellerman to her unique business plan.

#2
S4E6 9.2
The Scandal of Altruism

When Cosima admits doubts about finding a cure in time to save her life, Sarah makes a lone decision that exposes Kendall to those she’s spent years hiding from. Meanwhile, Art and Felix team up to protect naïve clone, Krystal Godderitch, from herself.

#3
S5E10 9.1
To Right the Wrongs of Many

With Helena forced to take shelter behind enemy lines, it’s a bloody last stand for survival as Sarah and Art struggle to protect her, and end the siege on the sestras once and for all.

#4 By Means Which Have Never Yet Been Tried S2E10 9.0
#5 History Yet to Be Written S3E10 9.0
#6 Guillotines Decide S5E8 9.0
#7 Endless Forms Most Beautiful S1E10 8.9
#8 Gag or Throttle S5E7 8.8
#9 One Fettered Slave S5E9 8.8
#10 Unconscious Selection S1E9 8.6

Lowlights

#50 S5E4 Let the Children and Childbearers Toil 7.6

Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution defector. Meanwhile, an unexpected reunion takes place on the island, while Cosima's research leads her to a discovery more terrible than she could have ever imagined. As more pieces slide into place, the puzzle only seems to become more complicated.

#49 Variable and Full of Perturbation S2E8 7.7
#48 The Few Who Dare S5E1 7.8
#47 Transitory Sacrifices of Crisis S3E2 7.8
#46 Ease for Idle Millionaires S5E5 7.9

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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