Life on Earth
Season 1, Episode 6: Invasion of the Land
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Some 350 million years ago, evolution reached one of its most crucial stages when fish crawled from water onto the land and became amphibians. Today, newts, salamanders, toads and frogs still survive in great quantities, and there is even one species of frog where the male gives birth from its mouth!
All Episodes - Season 1
Episode 1
The Infinite Variety
Episode 2
Building Bodies
Episode 3
The First Forests
Episode 4
The Swarming Hordes
Episode 5
Conquest of the Waters
Episode 6
Invasion of the Land
Episode 7
Victors of the Dry Land
Episode 8
Lords of the Air
Episode 9
The Rise of the Mammals
Episode 10
Theme and Variations
Episode 11
The Hunters and Hunted
Episode 12
Life in the Trees
Episode 13
The Compulsive Communicators