Introduction to How the Earth Was Made: Birth of the Earth (1:05)

Clues Found on Earth Point to Space (1:45)

Dust Cloud Theory (1:45)

Windows of Past From Space (2:26)

Becoming a Molten Ball in Space (2:45)

Crust Forms on the Surface (1:43)

Attempts to Date the Earth (2:25)

Meteor Crater, Arizona (2:22)

Origin of the Moon (2:09)

Surprises in Moon Rocks (2:32)

Oldest Rocks in the World (3:33)

Clues of the Early Crust (2:04)

More Clues from the Amphibolites (2:18)

Where Did All This Water Come From? (3:37)

Amino Acids From Space (2:46)

Changing Theory of Life's Evolution (1:52)

Evolution of Earth's Atmosphere (3:26)

Cyanobacteria Makes the Difference (2:05)

Summary and Credits: Birth of the Earth (1:18).