Once Koshchey the Immortal caught the Cat-Scientist and complained that he was bored and had no one to torment. In exchange for help, he promised to let the Cat go. The Cat, as such help, offered Koshchey to marry, but in order not to scare...
Мультфильм про Кота Ученого, который сосватал Кащея и Бабу-ягу.
