Plop in the City(Plop in de Stad)

During a walk in the woods Lui eats a dangerous berry, despite the warnings of Plop. Lui becomes human size, this makes the other gnome angry and Lui runs away and gets lost in the forrest. Before he knows it, he ends up in the big city. Will Plop, Klus and Kwebbel find him before he turns the whole town upside down ?