Episode Ratings Grid

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Peak
Excellent

Episode Power Rankings

The peaks and the valleys. Find the essential episodes — and the ones to skip.

#1
S1E5 9.8
Vichnaya Pamyat

Valery Legasov, Boris Shcherbina and Ulana Khomyuk risk their lives and reputations to expose the truth about Chernobyl.

#2
S1E2 9.6
Please Remain Calm

With untold millions at risk after the Chernobyl explosion, nuclear physicist Ulana Khomyuk makes a desperate attempt to reach Valery Legasov, a leading Soviet nuclear physicist, and warn him about the threat of second explosion that could devastate the continent.

#3
S1E3 9.5
Open Wide, O Earth

Lyudmilla Ignatenko, a Pripyat resident, ignores warning about her firefighter husband's contamination. Valery Legasov lays out a decontamination plan, complete with human risks.

#4 1:23:45 S1E1 9.4
#5 The Happiness of All Mankind S1E4 9.3

Lowlights

#5 S1E4 The Happiness of All Mankind 9.3

Valery Legasov and Soviet Deputy Prime Minister Boris Shcherbina consider using lunar rovers to remove radioactive debris, while Ulana Khomyuk faces government hurdles in determining the truth about the cause of the explosion.

#4 1:23:45 S1E1 9.4
#3 Open Wide, O Earth S1E3 9.5
#2 Please Remain Calm S1E2 9.6
#1 Vichnaya Pamyat S1E5 9.8

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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