Vasilisa the Beautiful (1977)

The tsar wants his three sons to get married. The brothers gather into an open field and shoot arrows into different directions. The arrow of the eldest son falls at the Boyarsky Dvor, to the daughter of a Boyar, arrow of the middle son - fell into the yard of a merchant, and the arrow of the youngest son Ivan falls into the swamp. Young prince meets a talking frog who turns out to be a beautiful but cursed princess. To remove the curse, he must go on a quest to find and outsmart the forest witch Baba Yaga.