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
S13E5 8.6
Curtain: Poirot's Last Case

An ailing Poirot returns to Styles with Hastings nearly three decades after solving their first mystery together there in order to prevent an unscrupulous and ingenious serial killer from claiming more victims.

#2
S4E1 8.5
The ABC Murders

Beside the bodies of three murder victims lies a copy of the ABC Railway Guide.

#3
S9E1 8.4
Five Little Pigs

Lucy Crale hires Poirot to solve the murder of her father sixteen years before, and Poirot finds a number of possible suspects who are still alive.

#4 The Chocolate Box S5E6 8.2
#5 Peril at End House S2E1 8.1
#6 Hercule Poirot's Christmas S6E1 8.1
#7 Evil Under the Sun S8E1 8.1
#8 Sad Cypress S9E2 8.1
#9 The Labours of Hercules S13E4 8.1
#10 Dumb Witness S6E4 8.0

Lowlights

#70 S1E3 The Adventure of Johnnie Waverly 6.9

Country squire Marcus Waverly calls on Poirot for help in dealing with kidnap threats against his son. Hastings is appalled by the thought of someone going around kidnapping children and it becomes a race against time to find the identity of the mystery letter writer.

#69 The King of Clubs S1E9 7.0
#68 The Incredible Theft S1E8 7.1
#67 The Big Four S13E2 7.2
#66 The Adventure of the Western Star S2E9 7.2

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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