Episode Clips

Why Elephants Eat the Baobab Tree

The baobab stores thousands of gallons of water in its spongy wood.

The Plant that Makes Its Home on a Cactus

Tristerix seeds travel in bird droppings to invade the bodies of giant cactus.

More Episodes

Human Worlds

Sir David Attenborough reveals how humans help plants, many of which face extinction.

Seasonal Worlds

Sir David Attenborough reveals the surprising effects of the seasons on plant life.

Water Worlds

Sir David Attenborough discovers amazing water plants, some of which can count and hunt.

View all episodes

Other shows you may enjoy

Physics Girl
NOVA scienceNOW
Kingdoms of the Sky
A Year in Space

Browse all shows