The Abduction of Balthazar Sponge.

The Abduction of Balthazar Sponge (Polish: Porwanie Baltazara Gąbki) is a Polish-language fantasy animated series produced by Studio Filmów Rysunkowych from 1969 to 1970, that was based on 1965 children's book Porwanie Baltazara Gąbki by Stanisław Pagaczewski. The series had 1 season consisting of 13 episodes, each lasting from 6 to 7 minutes. The episodes were directed by Władysław Nehrebecki, Alfred Ledwig, Edward Wątor, Józef Byrdy, Bronisław Zeman, Wacław Wajser, and Stanisław Dülz, while the scrips were written by Zofia Olak and Leszek Mech. The series had a sequel ,Wyprawa profesora Gąbki, that was produced from 1978 to 1980.