Episode · S3E23

How Earth's First, Unkillable Animals Saved the World

Eons · Season 2019

30/07/201910 min

They have survived every catastrophe and every mass extinction event that nature has thrown at them. And by being the little, filter-feeding, water-cleaning creatures that they are, sponges may have saved the world.

Episode type
Episodio regular

Cast and guest stars