Billie Turf and Dolfie have to stay at boarding school during the summer holidays because their report cards are too poor. Everything goes smoothly until Kwel comes up with an invention that turns water into gasoline with a pill.
as Billy Turf
as Meester Kwel
as Dolfie
as Janus
as Head of School
as Ali Kabaal
as Student
as Mina
as Gymnastics Teacher
as Blinkie
as Jossie (as Jos v.d. Linden)
as Bertha
