Plot: 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
How To Grow A Planet - Season 1 - The Challenger (Episode 3)
Episode Aired On:
Tuesday, February 21 2012
12 years ago
Tuesday, February 21 2012
12 years ago
Go to
Episode 2