When does Tumble Leaf return?

Tumble Leaf is an American animated series that premiered in 2014 on Amazon Prime Video. It is a stop motion animated series for preschool-aged children and is based on the short film Miro. It features an anthropomorphic blue fox named Fig and his caterpillar friend Stick. Each episode consists of two 11-minute stories with Fig learning the mechanics of various items discovered in a special room.