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How to Grow a Planet - Season 1 Episode 3 The Challenger

Trailer
In the third episode, Iain discovers the remarkable impact of just one plant: grass. On the savannah of South Africa he sees how grass unleashed a firestorm to fight its greatest enemy, the forests. He shows how cutting your finger on a blade of grass shows us how it transformed life in the oceans. In Senegal, he meets the cleverest chimps in the world. And, in the ruins of the oldest temple on Earth, he tells the extraordinary story of how grass triggered human civilisation.

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First Air Date: Feb 07, 2012

Last Air date: Feb 21, 2012

Season: 1 Season

Episode: 3 Episode

Runtime: 59 minutes

IMDb: 8.40/10 by 10.00 users

Popularity: 5.123

Language: English