Desc: Kalle Stropp, Grodan Boll och deras vänner: Directed by Hasse Funck. With Sten Ardenstam, Tyyne Talvo Cramér, Ewert Ellman, Thomas Funck. Kalle Stropp, Grodan Boll and all their friends chasing Sotisarna, who has stolen Plåt-Niklas propeller.