The Moomins (1978)

S1E44 Snuffkin and the Woodland Children

Snuffkin, My, and the kids from the forest stumble upon Fillyjonk's empty house. Snuffkin struggles to manage the lively group of children. Their interest piques when they discover an invitation to the theater show "The Lion's Fiancé." After a thorough wash, they embark on their adventure to the floating theater at Föhrenbucht.