Disney's Adventures of the Gummi Bears S05 E09 Princess Problems

King Gregor hosts King Jean-Claude, a ruler of a nearby Frankish kingdom, and his daughter Marie in order to improve diplomatic relations; but both Sunni and Calla learn that being a princess does not make one an instant sweet little girl. Even worse, Marie's haughty attitude eventually causes King Jean-Claude to stage a military siege on Dunwyn.