Life on Earth

1. The Infinite Variety

1979-01-16

2. Building Bodies

1979-01-23

3. The First Forests

1979-01-30

4. The Swarming Hordes

1979-02-06

5. Conquest of the Waters

1979-02-13

6. Invasion of the Land

1979-02-20

7. Victors of the Dry Land

1979-02-27

8. Lords of the Air

1979-03-06

9. The Rise of the Mammals

1979-03-13

10. Theme and Variations

1979-03-20

11. The Hunters and Hunted

1979-03-27

12. Life in the Trees

1979-04-03

13. The Compulsive Communicators

1979-04-10