The Moomins (1978)

S1E18 Snow in Moominvalley

In the heart of winter in Moominvalley, Moomin stirs from his hibernation and struggles to navigate the transformed snowy landscape. He encounters Too-Ticky, a boy who has made himself at home in Papa's bathhouse, accompanied by his unseen mice. As they spend time together, Moomin and Too-Ticky forge a friendship amidst the enchanting winter scenery.