Knallharte Jungs
- Godina: 2002
- Country: Germany
- Žanr: Comedy
- Studio: ARD, Constantin Film
- Ključna riječ: puberty, toilet, school life
- Direktor: Granz Henman
- Uloge: Tobias Schenke, Axel Stein, Diana Amft, Rebecca von Mitzlaff, Nicky Kantor, Axel Milberg