Four schoolboys go on an awe-inspiring expedition back through time, where they behold landscapes and creatures that have long since vanished from the earth.

Cast:Vladimír Bejval, Petr Herrmann, Josef Lukáš, Zdeněk Husták, Bedřich Šetena,

Genre:Adventure, Fantasy, Family, Science Fiction,

country:Czechoslovakia,

Production:Studio dětského filmu Gottwaldov,