Attack of the Clowns/Complete and Utter Chaos!

Plot:

In "Attack of the Clowns", Grim and Mandy try their darnedest to force Billy to get over his fear of clowns, which they think is irrational. But they carry it too far, when he overcomes this fear enough to want to kill clowns. In "Complete and Udder Chaos", Eris cons Billy, Mandy and Grim into owning her Apple of Discord to watch over, since she is supposedly giving up chaos... or is she?