Because Urbanus does all kinds of pranks, he has to go to an improvement institution. There, Dr. Schrikmerg uses him as a guinea pig for his new invention: he makes a sort of robot from Urbanus.
1971
1985
1983
2019
2018
1944
1948
2017
1966
—
2023
2022
1974
2004
1986
1977
1972
