![](https://image.tmdb.org/t/p/w342/rSVOeefFjgRzSO1UD7tqJIPvS2O.jpg)
Season 5 Episode List
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Episode 1 - Australia: The Timeless Land
Release Date: 1969-02-18 -
Episode 2 - Polynesian Adventure
Release Date: 1969-04-15 -
Episode 3 - The Mystery of Animal Behavior
Release Date: 1969-10-14 -
Episode 4 - Siberia: The Lost Horizon
Release Date: 1969-12-02