Голубой Щенок. Союзмультфильм

"Blue Puppy" is a famous animated film from 1976 based on a script by Yuri Entin. The little Puppy was different from others, and no one wanted to be friends with him. But the Puppy did not give up, did not become angry, but continued to love and help everyone, eventually becoming a hero! It doesn't matter that you are different from others, what matters is kindness and courage! 

Yuri Sergeyevich Entin - poet, playwright, songwriter. Widely known for his celebrated songs from movies, television films, and animated films.