Top-ratedS1.E1 ∙ From the Seas to the SkiesThu, Sep 19, 2013This episode describes the essential evolutionary developments that created the major groups of invertebrates beginning with notochords to fish, amphibians, reptiles, dinosaurs and ultimately birds.8.3/10 (78)Rate
Top-ratedS1.E2 ∙ Dawn of the MammalsThu, Sep 26, 2013The ancient origins of the first vertebrates, including how they transitioned from water to land.8.5/10 (75)Rate