The third film from the trilogy about Prostokvashino, but at the same time not based on the story "Uncle Fyodor, the Dog and the Cat".
Eduard Uspenskiy wrote his script from scratch and only in 1997 he novelized him into a novel of the same name with a very extensive plot.
Matroskin's song is performed by Oleg Tabakov, the song "If there was not winter" by Valentina Tolkunova.