1. Toadblatt's School of Sorcery
Aired: Jun 13, 2003In a parody of the Harry Potter series, Grim sends Billy and Mandy to a sorce...
2. Educating Grim
Aired: Jun 13, 2003Billy and Mandy take a reluctant Grim to school with them. Mandy's nemesis, M...
3. It's Hokey Mon!
Aired: Jun 13, 2003After watching Billy and Irwin play with their "Hokey Monsters" cards (parody...
4. Night of the Living Grim
Aired: Jun 20, 2003Grim is lying sick in bed with "Encroaching Doom Syndrome". The Underworld do...
5. Brown Evil
Aired: Jun 20, 2003Taking inspiration from his Pat the Baker video game, Billy decides to bake c...
6. Brown Evil, Part 2
Aired: Jun 20, 2003Billy and Hoss Delgado, spectral exterminator, team up to destroy all the zom...
7. Mandy the Merciless
Aired: Jun 27, 2003On a hot day when Billy, Mandy, and Irwin are bored, Grim uses a crystal ball...
8. Creating Chaos
Aired: Jun 27, 2003When Billy, Mandy, and Grim go fishing, Eris, the goddess of chaos, gets Bill...
9. The Really Odd Couple
Aired: Jun 27, 2003Billy accidentally sets off a powerful stink bomb in Mandy's house and, while...
11. Tween Wolf
Aired: Jul 4, 2003After Grim fails to pull a werewolf out of his hat, Irwin is bitten by said w...
12. Grim in Love
Aired: Jul 11, 2003When Billy, Mandy and Grim go to the beach, Grim falls in love with a goth wo...
13. Crushed!
Aired: Jul 11, 2003At school, Mandy rejects Irwin's invitation to go to the school dance with hi...
14. Love Is Evol Spelled Backwards
Aired: Nov 7, 2003It's Valentine's Day and Nergal, the fiend living in Earth's core, appears in...
15. The Crawling Niceness
Aired: Jul 18, 2003Billy takes a big egg found in Grim's trunk and hatches it expecting a duck. ...
16. Smarten Up!
Aired: Jul 18, 2003Billy is worried about failing an upcoming Math test, so Grim gives him a "bo...
17. The Grim Show
Aired: Jul 18, 2003Grim is upset after his favorite show, Atrocia's Late Night Atrocities, is ca...
18. Son of Nergal
Aired: Jul 25, 2003Billy and Mandy are sent to "Winter Camp", where they meet Nergal's son, Nerg...
19. Sister Grim
Aired: Jul 25, 2003After being accidentally hit by Billy, Grim lands in a can of white paint in ...
20. Go Kart 3000!
Aired: Jul 25, 2003When Billy and Irwin exclude Mandy and Grim from helping them build a go-kart...
21. Terror of the Black Knight
Aired: Aug 1, 2003After being impressed by Irwin's realistic armor at the medieval fair, Billy ...
22. Battle of the Bands
Aired: Aug 1, 2003Billy wants to join Sperg's garage band, "Purple Filth", and take part in the...
23. The Halls of Time
Aired: Aug 1, 2003After missing on a school trip, Grim takes Billy, Mandy and Irwin to the "Hal...
24. Grim for a Day
Aired: Aug 15, 2003After a lousy night for Grim, Billy and Grim argue about who has the hardest ...
25. Chicken Ball Z
Aired: Aug 15, 2003Grim's refusal to help Mandy win a karate tournament, and the $50,000 prize i...
26. Billy and Mandy's Jacked Up Halloween
Aired: Oct 31, 2003Billy, Mandy and Grim go trick-or-treating for Halloween, and Irwin is left b...