The Terribly Sad Princess
Šíleně smutná princezna (original)
Musical fairy tale tells the story of prince and princesses from neighbouring friendly countries who have to marry each other, as decided by their wise fathers with their advisors. However, the royal children want to decide their fate themselves. They meet in the royal garden, where princess pretends to be a maid and prince to be a herdsman. Prince under cover is imprisoned and helps princess with rebellion. She becomes sad all the time, because she does not want to marry anyone. Luckily, love finds way to their life . . .
Starring Helena Vondráčková, Václav Neckář, Bohuš Záhorský, Jaroslav Marvan, Josef Kemr, Darek Vostřel, František Dibarbora, Oldřich Dědek, Stella Zázvorková, Branislav Koreň
It's a kids and music movie, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.