We explore the lives of young trees, discovering how they transform from minute seeds into mature adults. But with fewer than 1 in 1000 seeds reaching adulthood, a tree's early years are the most treacherous.

Michael Palin narrates this captivating series, discovering how trees have developed the art of growing and ageing gracefully as they pass from their early years into middle age.

Michael Palin narrates as we follow trees into old age and discover how some trees alive today are as old as the pyramids. And a look at how a dying tree creates new life.