Episode Ratings Grid

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Great

Episode Power Rankings

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

#1
S1E3 8.6
The Silk Spinners

Silk is the secret weapon of the undergrowth. From the protective stalks of lacewing eggs, to the hanging threads of glow-worms, insects use it in an amazing variety of ways. Silk is stronger than a steel thread of the same diameter but, unlike steel, it's elastic. Witness the spiders who have taken the use of this extraordinary material to its extremes.

#2
S1E5 8.5
Supersocieties

Some invertebrates have overcome the limitation of their small size by banding together in huge numbers. Many of these societies are so fine-tuned in the way they operate it's as if they were a single being. But insect societies aren't all shining examples of co-operative behaviour. The series ends with two insect armies fighting head on as Matabele ants raid a nearby termite mound. The result is total carnage.

#3
S1E1 8.4
Invasion of the Land

Just over 400 million years ago creatures left the seas to move onto land. They were the invertebrates. Since then they have become the most successful group of animals, adapting to every environment on earth. Now, for every human there are 200 million of them. Their largely unseen world is now revealed as David Attenborough tells the story of the land-living invertebrates.

#4 Intimate Relations S1E4 8.3
#5 Taking to the Air S1E2 8.2

Lowlights

#5 S1E2 Taking to the Air 8.2

From the stunning aerobatics of hoverflies in a Bristol garden to the mass migration of purple crow butterflies in Taiwan, this episode tells the story of the winged insects. The latest ultra-slow motion cameras reveal incredible flight skills, such as dragonflies catching their prey and bluebottles flying upside down. While David Attenborugh is on hand to witness the mass emergence of winged cicadas after 17 years underground.

#4 Intimate Relations S1E4 8.3
#3 Invasion of the Land S1E1 8.4
#2 Supersocieties S1E5 8.5
#1 The Silk Spinners S1E3 8.6

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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