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Life on Earth: 1x6
Invasion of the Land
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!
1 - 1The Infinite Variety Jan. 16, 1979
1 - 2Building Bodies Jan. 23, 1979
1 - 3The First Forests Jan. 30, 1979
1 - 4The Swarming Hordes Feb. 06, 1979
1 - 5Conquest of the Waters Feb. 13, 1979
1 - 6Invasion of the Land Feb. 20, 1979
1 - 7Victors of the Dry Land Feb. 27, 1979
1 - 8Lords of the Air Mar. 06, 1979
1 - 9The Rise of the Mammals Mar. 13, 1979
1 - 10Theme and Variations Mar. 20, 1979
1 - 11The Hunters and Hunted Mar. 27, 1979
1 - 12Life in the Trees Apr. 03, 1979
1 - 13The Compulsive Communicators Apr. 10, 1979