The Grim Adventures of Billy & Mandy

Billy learns about the joys of fatherhood from his eight-legged son, Jeff. Then, a kid in a supernatural porta-potty gives Billy a new tricycle that loves him too much.

Billy does something stupid and ends up with a streak of bad luck thanks to an unwelcome guest. Then, Grim's body and head get separated. His body lives it up while his head ends up down-and-out.

Billy's pet fish has problems that bring out Grim's soft side. Billy's Dad bonds with his absent son. Then, General Skarr gets way more than he bargained for when he moves into Billy and Mandy's neighborhood in search of a simple life.

Lord Pain comes from the Plane of Eternal Suffering to serve Grim, who turns out to be unworthy. Then, as a young reaper, Grim learns his fate from his first customer. Finally, Mindy mocks Mandy's dog so Mandy adopts Grim's scary hound.

Billy can't sleep and demands fairy tales from Mandy and Grim. Grim's supernatural stories go awry when Billy befriends Pinocchio. Sitting too close to the TV costs Billy his sight. His fear of the eye doctor sends him to Grim for a cure.

Grim, Billy and Mandy return to Toadblatt's School of Sorcery to rescue Nigel Planter from evil Lord Moldybutt. Finally, Grim takes Billy and Mandy to the underworld's Circus of Fear, where they become the main attraction.

Grim's old nemesis, the Boogie Man, attempts to take over Grim's job, reigniting an old rivalry that culminates in a showdown for supremacy. Billy goes on a picnic and ends up resolving an old dispute between the Dwarves and the Elves.

When a school field trip leads to the discovery of a failed Cold War government experiment, Grim and Mandy must rescue Billy from becoming chicken feed. Then, Nergal Jr. starts school with Billy and Mandy and falls prey to Sperg's bullying.

Billy tries to show off at the Renaissance festival in a suit of cursed knight's armor conjured by Grim.

Billy and Grim trade places for a day. Then, with the help of a chicken ball, Mandy enters the karate championship. Finally, Grim takes Billy and Mandy on a field trip to the Halls of Time, where the past, present and future are monitored.