House of Pain:
Lord Pain from the Plain of Eternal Suffering comes to serve his idol, the Grim Reaper. When Grim grows tired of being a slave to Billy and Mandy, he asks Lord Pain to kill them. When Pain comes to finish Mandy off, she convinces him that she's the one in control, and starts serving her instead.
A Grim Prophecy:
Back in the Stone Age, young Grim sets out on his first night as the Grim Reaper. When he comes across an old Witch Doctor he's supposed to kill, she has foreseen his prophecy, and lets little Grim see into the future, where he becomes a servant to two annoying kids.
Mandy Bites Dog:
After Mindy and her chiuaua, Little Delicious, mock Mandy's cowardly dog, Saliva, Mandy is convinced that she needs another dog. So she enlists the aid of Grim's three-headed dog from the underworld, Cerberus. Realizing that he's not wanted anymore, Saliva leaves Mandy and her new dog, Cerberus, to scare Mindy and her dog. Little does Saliva know that he has one thing Little Delicious and Cerberus don't have, loyalty to their masters.moreless