Dunderklumpen!
- Taon: 1974
- Bansa: Sweden
- Genre: Adventure, Animation, Family, Music, Fantasy
- Studio: GK-Film Studio AB, PennFilm Studio AB
- Keyword: treasure, lake, chase, kidnapping, sweden, troll, midsummer, rowing boat, toy
- Direktor: Per Åhlin
- Cast: Beppe Wolgers, Jens Wolgers, Halvar Björk, Håkan Serner, Gösta Ekman, Toots Thielemans