Small but mighty, they have withstood multiple extinction periods, survived boiling temperatures and even the vacuum of space. With a surprising cult following, some people call them ‘Water Bears’, others call them ‘Moss Piglets’.

An explosive portrait of the world’s most resilient and curious critters. Taking young audiences from jelly-filled petri dishes to the depths of a volcano to Arctic glaciers to the moon, Moss Piglet explodes the mysteries of the wildly weird tardigrade.