18. Once Upon a Year - The Bear has his birthday party.All animals come to his place to congratulate him and give some presents. Seeing this Masha decides to prepare for her own birthday. More info ...

This claim from the co-producer of the popular TV series can be trusted: The episode Masha + Kasha ... in 2008 specifically for the Masha and the Bear project. According to Loveiko, "it was ...