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.
2004
1943
2016
1997
1984
1986
2017
1962
1996
1992
2006
2011
2010
1993
2000
2023
—
