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
S2E7 8.5
The Next Pandemic

If you're not worried about a looming global pandemic, you probably should be. Are we prepared for an outbreak? Bill Gates and other experts weigh in.

#2
S1E19 8.2
The World's Water Crisis

The global water crisis is at an inflection point. How do we price our most valuable resource, while also ensuring access to it as a human right?

#3
S2E3 8.0
Animal Intelligence

What goes on inside an animal's mind? Figuring out how they think and feel might just be the key to understanding our own place in the world.

#4 The Future of Meat S2E8 8.0
#5 Billionaires S2E2 7.9
#6 Chess S3E6 7.8
#7 Time S3E12 7.8
#8 Designer DNA S1E2 7.7
#9 Dogs S3E4 7.7
#10 Can We Live Forever? S1E15 7.6

Lowlights

#44 S3E11 Dance Crazes 6.2

From the waltz to voguing, dance crazes have connected people throughout history. But when a dance catches on, who gets the credit — and compensation?

#43 Plastic Surgery S3E10 6.3
#42 Country Music S3E13 6.6
#41 Astrology S1E14 6.6
#40 K-Pop S1E4 6.6

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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