The Infinite Variety
Episode: 1x01 | Airdate: Jan 16, 1979
Season 1
Building Bodies
Episode: 1x02 | Airdate: Jan 23, 1979
The First Forests
Episode: 1x03 | Airdate: Jan 30, 1979
The Swarming Hordes
Episode: 1x04 | Airdate: Feb 6, 1979
Conquest of the Waters
Episode: 1x05 | Airdate: Feb 13, 1979
Invasion of the Land
Episode: 1x06 | Airdate: Feb 20, 1979
Victors of the Dry Land
Episode: 1x07 | Airdate: Feb 27, 1979
Lords of the Air
Episode: 1x08 | Airdate: Mar 6, 1979
The Rise of the Mammals
Episode: 1x09 | Airdate: Mar 13, 1979
Theme and Variations
Episode: 1x10 | Airdate: Mar 20, 1979
The Hunters and Hunted
Episode: 1x11 | Airdate: Mar 27, 1979
Life in the Trees
Episode: 1x12 | Airdate: Apr 3, 1979
The Compulsive Communicators
Episode: 1x13 | Airdate: Apr 10, 1979