The film was filmed in color (not common for Czechoslovak films in that period) because of the international release.
To byl český muzikant is a 1940 Czechoslovak film.
Hop - a je tu lidoop is a 1977 Czechoslovak film.
The festival first took place in 1961 as a national festival of Czechoslovak films for children.
Among the invasion's victims was an exciting renaissance of Czechoslovak films.
Chléb a písně is a 1971 Czechoslovak film.
A 1964 Czechoslovak film was based on the story.
The Secret of Blood, a 1953 Czechoslovak film about his discovery.
I wanted to begin in a comedic way, as some of the Czechoslovak films around '68 did.
Lízin let do nebe is a 1937 Czechoslovak film.