Yew
Episode: 1x01 | Airdate: Sep 15, 2006
Season 1
Oak - Part One
Episode: 1x02 | Airdate: Sep 22, 2006
Oak - Part Two
Episode: 1x03 | Airdate: Sep 29, 2006
Hedges
Episode: 1x04 | Airdate: Oct 6, 2006
Apple Tree
Episode: 1x05 | Airdate: Oct 13, 2006
Conifer
Episode: 1x06 | Airdate: Oct 20, 2006
Ash
Episode: 1x07 | Airdate: Nov 3, 2006
Future
Episode: 1x08 | Airdate: Nov 10, 2006
Season 2
What is the Point of Forests?
Episode: 2x01 | Airdate: May 9, 2008
How Can You Save a Tree?
Episode: 2x02 | Airdate: May 16, 2008
Chainsaw Massacre
Episode: 2x03 | Airdate: May 23, 2008
The Rise of the Machines
Episode: 2x04 | Airdate: May 30, 2008
Can Trees Save the World?
Episode: 2x05 | Airdate: Jun 13, 2008
The Challenge of Trees
Episode: 2x06 | Airdate: Jun 19, 2008