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
S1E2 7.2
Matters of the Heart

Cora moves to Aldwinter, but the grieving villagers don't welcome her. Naomi struggles with her guilt about what happened to Gracie.

#2
S1E1 7.0
The Blackwater

London widow Cora Seaborne relocates to Essex to learn the truth about a rumored “sea dragon.” When a local girl goes missing, fears escalate.

#3
S1E3 7.0
Falling

After fishermen claim they were attacked by the serpent, Cora becomes more determined to understand what's in the water.

#4 Everything Is Blue S1E4 6.9
#5 I Break Things S1E5 6.9
#6 Surfacing S1E6 6.7

Lowlights

#6 S1E6 Surfacing 6.7

Luke processes the incident. Cora has a realization. Will struggles with Stella's illness.

#5 I Break Things S1E5 6.9
#4 Everything Is Blue S1E4 6.9
#3 Falling S1E3 7.0
#2 The Blackwater S1E1 7.0

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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