Grim gets Billy and Mandy into sorcery school.

Mindy befriends Grim.

Grim brings monster cards to life.

Grim gets sick.

Zombies crave the brownies Billy makes.

Zombies crave the brownies Billy makes.

In the future, Mandy rules the world.

Billy helps Eris spread chaos.

Mandy and Billy are forced to share a room.

Mandy visits a haunted house.

Irwin turns into a werewolf.

Grim falls for a Goth girl.

Mandy develops a crush.

Nergal attempts to woo Billy's aunt.

Billy hatches a giant spider.

Grim tries to help Billy pass a test.

Grim tries to stop a show from being canceled.

Billy and Mandy contend with Nergal Jr.

Grim thinks he is a nun.

Grim and the children enter a kart competition.

Billy and Grim switch places for a day.

Mandy eats a magical ball of chicken.

Billy and Mandy visit the Halls of Time.

A headless man from Grim's past uses Billy to steal Grim's scythe.