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The Secret Life of Trees

Narrated by Michael Palin, this fascinating series follows the incredible lives of trees - from their beginning as tiny seeds through to magnificent giants and into old age, revealing the secrets of how they communicate, how they drink and even how some of the three trillion trees on our planet are as old as the pyramids.

Even the mightiest oak must start life as a tiny acorn. In the first film, we explore the secret lives of young trees – discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

Show Info

Network: United Kingdom 5 (2025 - now)
Schedule: Fridays at 21:00 (60 min)
Status: Running
Show Type: Documentary
Genres: Nature
Episodes ordered: 3 episodes

Official site: www.channel5.com

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Previous Episode

Old Age

Episode 1x03; Aug 7, 2025

The concluding episode reveals how trees can extend their lives by 'walking' across the land and planting new roots. Plus, how they can 'learn' from trauma, and how a decaying tree has the miraculous ability to nurture new life. In Scotland, Tony Kir

Previous Episodes

Episode NameAirdateTrailer
1x03: Old AgeAug 7, 2025
1x02: AdulthoodAug 1, 2025
1x01: The Early YearsJul 25, 2025
View full episode list »

Cast

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