![](https://image.tmdb.org/t/p/w342/rSVOeefFjgRzSO1UD7tqJIPvS2O.jpg)
Season 7 Episode List
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Episode 1 - The Great Mojave Desert
Release Date: 1971-02-13 -
Episode 2 - Journey to the High Arctic
Release Date: 1971-04-15 -
Episode 3 - Monkeys, Apes & Man
Release Date: 1971-10-21