In the magical world of Earthsea, the Amulet of Peace has ensured harmony between humans and dragons for centuries. But when the Amulet is broken and a piece of it disappears, it's up to a neophyte wizard to restore balance and stop a nefarious king from conquering Earthsea's islands.

"Mimi and Luke unwittingly resurrect an ancient alien overlord who was entombed on Earth millions of years ago after a failed attempt to destroy the universe. They nickname the evil creature Psycho Goreman (or PG for short) and use the magical amulet they discovered to force him to obey their childish whims. It isn₂t long before PG's reappearance draws the attention of intergalactic friends and foes from across the cosmos, and a rogues' gallery...

"Count Dracula has until midnight to retrieve an ancient amulet that will give him final control over the delicate balance between good and evil in the world. To help him, the creepy County calls on some old friends; the weird Wolfman, grotesque Gill-Man, mildewed Mummy and freaky Frankenstein. As the ghoulish group gets closer to the amultet, it becomes up to the Monster Squad, headquartered in the local tree house, to pool its questionable resources...