"Slumber Party of Doom" is the second segment of the forty-sixth episode of Yin Yang Yo! It premiered on July 21, 2008 alongside "Get Off My Back", and is the second segment of the twentieth episode in season two.
Yin plans a 'fun' slumber party, but she starts blasting people carelessly and acting obsessive about the party, and confines Yang to his room. Meanwhile, one of the Woo Foo Elders contacts Yang, and he activates the "Woo Foo Book of Forbidden Evil" to turn Yin's friends into mind-eating zombies. Yin will have to stop the rampage without sacrificing the fun of her slumber party.