Watch Online Free HD Solarmovies. The end of the school year before summer break. When Bubi is promoted to seventh grade, a few things have to change - starting with his curls. His girlfriend Lotte, whose older sister, Evi, is in love with Bubi’s brother Kurt, is anything but thrilled. To make matters worse, a prank pulled by Bubi causes trouble between Evi and Kurt. Will Bubi be able to set things right?