The Nightmare Emperor

Dreamworld is being overrun with nightmares. Someone, somewhere in the World of Dreams has enslaved the nightmares, and is building an empire with their power. Innocent dreams are being attacked and corrupted, becoming more nightmares to build the evil army. Meanwhile, the children found and attacked by the Emperor's nightmares are trapped in Dreamworld, unable to wake up.
Dreamworld needs a hero, and it's up to middle schooler Blake and his dream Penelope to save the world, even if he doesn't know it yet.