Season 3

Billy learns about the joys of fatherhood from his eight legged son, Jeff.

A kid in a supernatural Porta Pottie gives Billy a new tricycle that loves him too much.

Billy does something stupid and ends up in a streak of bad luck thanks to an unwelcome guest.

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 big problems that bring out Grim’s soft side. Meanwhile, Billy’s Dad bonds with his absent son.

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 not to be worthy.

As a young reaper Grim learns his fate from his first customer.

Mindy mocks Mandy’s lame dog so Mandy adopts Grim’s scary hound and then Mindy’s sorry she opened her big fat mouth.

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 and his fear of the eye doctor sends him to Grim for a cure that has him seeing the future.

Grim, Billy, and Mandy return to Toadblatt’s School of Sorcery to rescue Nigel Planter from evil Lord Moldybutt.

Grim, Billy, and Mandy return to Toadblatt’s School of Sorcery to rescue Nigel Planter from evil Lord Moldybutt.

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 over control of the cookie and mushroom businesses.

A school field trip leads to the discovery of a failed Cold War government experiment with superchickens. Grim and Mandy must rescue Billy from becoming chicken feed.

Nergal Jr. starts school with Billy and Mandy and falls prey to Sperg’s bullying. When the teacher won’t protect him, Nergal Jr. steps up and teaches Sperg a lesson in respect.

Billy becomes a super hero in a galaxy far far away while Grim and Billy’s Dad build a shed and a bridge to each other’s hearts.

Billy and Grim use the Mask of the Beast to teach Mandy how to be sweet and loving, with disastrous consequences.

Billy discovers that too much of a good thing can have scary side effects when he takes Grim’s special hair tonic.

Billy steals Mandy’s nerve to confront Sperg and Mandy learns that inner strength comes from within.

Billy and Mandy research their history reports first hand, changing the course of history forever.

An inadvertant interdimensional exchange program takes Billy to Valhalla while Grim and Mandy meet someone even more obnoxious than he is.

Billy and Mandy spend twelve hours in the Shadow World getting to know themselves.

Grim and Mandy plan an intervention to break Billy of his fear of clowns, but they don’t know how justified that fear is.

Eris has vowed to give up chaos leading Grim, Billy, and Mandy into temptation.

Billy displeases Mandy so she replaces him with Bobby, a kid with his own issues.

Sperg’s face breaks out and the only cure is the touch of Grim’s arm and getting to Grim means being nice to Billy.

Billy gets a job selling chocolate sailors and becomes his own best customer.

Billy loses a tooth and meets the tooth fairy who’s not all he’s cracked up to be.

Billy is plagued by the curse of the mummy.

Grim brings the Dinobonoids to life so Billy can say his final goodbye but the toys aren’t ready to be outgrown.