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| Aflevering | Eerste uitzending |
|---|---|
| S18E01 - Antarctica: The End of the Earth: Katabatic | 24/10/1999 |
| S18E02 - Antarctica: The End of the Earth: Iceberg | 31/10/1999 |
| S18E03 - Horses | 14/11/1999 |
| S18E04 - Sled Dogs: An Alaskan Epic | 21/11/1999 |
| S18E05 - Wisdom of the Wild | 05/12/1999 |
| S18E06 - Inside the Animal Mind Part One: Are Animals Intelligent? | 04/01/2000 |
| S18E07 - Humpback Whales | 09/01/2000 |
| S18E08 - Inside the Animal Mind Part Two: Do Animals Have Emotions? | 11/01/2000 |
| S18E09 - Inside the Animal Mind Part Three: Animal Consciousness | 18/01/2000 |
| S18E10 - Cheetahs in a Hot Spot | 06/02/2000 |
| S18E11 - Showdown at Grizzly River | 13/02/2000 |
| S18E12 - Jackals of the African Crater | 27/02/2000 |
| S18E13 - Obsession with Orchids | 16/04/2000 |
| S18E14 - Earth Navigators | 23/04/2000 |
| S18E15 - The Body Changers | 07/05/2000 |
| S18E16 - Springs Eternal: Florida's Fountain of Youth | 14/05/2000 |