National Geographic Specials

Season 15 Episode 4: The Tigris Expedition: In Search of Our Beginnings

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.

Genre:

Documentary

Seasons:

45

Episodes:

165

Actor:

Quality:

HD

Status:

Returning Series

First Air:

1965

IMDb:

7.1