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.
2021
2019
2011
2007
2014
2004
2006
2000
2010
2016
2005
1997
—
2017
1984
2015
