Based on a picture book "Koiramäen talossa" (Otava, 1980) (English: Doghill Farm). Both the book and the series are written and illustrated by Mauri Kunnas (with the help of his wife Tarja Kunnas). For the finished series, the original illustrations from the book were filmed together in a studio (there is no real animation). A five-part television series premiered on Finnish television in December 24, 1981 on Pikku kakkonen (1977).
"Koiramäen talossa" was the second picture book by Mauri Kunnas and the first book of the Doghill series. It's not officially translated to English.