Season 15 · Episode 4 of 4
Aired Apr 1, 1979
The Tigris Expedition: In Search of Our Beginnings
Sun, Apr 1, 1979
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Follows explorer Thor Heyerdahl's crew as they sail their reed boat over routes believed to have been followed by Sumerian traders 5000 years ago.
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Airs
Sun, Apr 1, 1979
Show
National Geographic Specials
165 episodes
Episode
S15 · E4
in National Geographic Specials