The Evil Dreamworld is a world that appeared in the cartoon show episodes "Lazy's Nightmare" and "Sleepless Smurfs". In this world, lives the evil Dream Demon Morphio with his horse Nightmare in a castle. He trapped Lazy first in his own dream to take him hostage him in a cage, and later the other Smurfs that he put into bubbles to become powerful. Papa Smurf needed the help of the Sandman and travels to the Land of Nod, who is then chased by the Sandman's black sheep. In next part, the Smurfs travel back in the Land of Nod, while Wooly need sheep wool, he and the other Smurfs meets Morphio again who teams up with Gargamel to capture the Smurfs.