Sezon 1
Bölümler
1 The Infinite Variety 16 Oca 1979 
2 Building Bodies 23 Oca 1979 
3 The First Forests 30 Oca 1979 
4 The Swarming Hordes 6 Şub 1979 
5 Conquest of the Waters 13 Şub 1979 
6 Invasion of the Land 20 Şub 1979 
7 Victors of the Dry Land 27 Şub 1979 
8 Lords of the Air 6 Mar 1979 
9 The Rise of the Mammals 13 Mar 1979 
10 Theme and Variations 20 Mar 1979 
11 The Hunters and Hunted 27 Mar 1979 
12 Life in the Trees 3 Nis 1979 
13 The Compulsive Communicators 10 Nis 1979