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
S19E16 9.5
Australia's Little Assassins

When animals are the subject, most people associate Australia with lovable koalas and leaping kangaroos. But an even more distinctive aspect of Australian wildlife is its abundance of animals -- from snakes and spiders to a host of marine life forms and at least one mammal -- that use venom to defend themselves, attack prey, and in some cases help digest food.

#2
S24E13 9.5
Crime Scene Creatures

They are among the most reliable witnesses to a crime — expert in their testimony and bulletproof in their account. Yet they never utter a single word. They are the animals, plants, and insects that are being recruited by a special breed of forensic scientists to solve the most seemingly impenetrable of crimes.

#3
S3E5 9.4
The Face of the Deep

Examines the variety of plants and animals living in the Sargasso Sea, a gigantic floating bed of seaweed near Bermuda.

#4 From the Heart of the World: The Elder Brothers' Warning S10E1 9.4
#5 The Urban Elephant S19E4 9.4
#6 Leopard: A Darkness in the Grass S5E8 9.3
#7 The Nature of Sex: The Sex Contract S12E6 9.2
#8 Extraordinary Cats S17E14 9.2
#9 Triumph of Life: The Four Billion Year War S19E7 9.2
#10 Hippo Beach S22E1 9.2

Lowlights

#357 S21E11 The Reptiles: Lizards 6.2

Animals are a formidable presence in the Bible, which makes reference to more than a hundred species, some metaphorically and others literally. But many of those creatures are gone from the Holy Land today, or on the verge of extinction there.

#356 Cracking the Koala Code S30E13 6.4
#355 The Mystery of Eels S31E10 6.5
#354 Deep Jungle: Monsters of the Forest S23E11 6.6
#353 Hippo King S40E11 6.7

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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