Season 1 — Episode 15

Making Worlds

In the grasslands of South America, the landscape has been created almost solely by one team of insects — the grass-cutter ants.

Across the world's oceans, one tiny creature plays such a key role that, without it, the largest animal on our planet, the blue whale, could not exist. Steve Backshall reveals the incredible influence these insects and their close relatives have on our planet's many ecosystems.