- Created By
Maxwell Atoms
- First Aired on
Aug 24, 2001
- Popularity: 249.1327
- 979 votes
- Networks
- (US)
- Production
Cartoon Network Studios (US)
- Status: Ended
Show Ended
7 seaons till Nov 09, 2007
Last episode: Heartburn
Seasons & episodes
Total 7 seasons, 184 episodes

Specials
Aired
Episode 1Billy & Mandy's Big Boogey Adventure50 min
A scene of Endsville two weeks into the future shows a dystopian world ruled by the "Lord of Horror", who wields the all-powerful artifact known as "Horror's Hand". At the same time, two robotic replicas of Billy and Mandy are sent into the past, to stop the real Billy and Mandy from interfering with the current events.orror's Hand to rule the world.
Episode 2Billy & Mandy: Wrath of the Spider Queen43 min
On a rainy day, giant spiders appear in Billy and Mandy's school and start kidnapping the children one by one. Grim presumes this is somehow related to his past, but does not figure it out until he receives a message saying that Velma, the Spider Queen, an old good friend from high school, is responsible for it. Meanwhile, Billy meets with Jeff the Spider, who informs him that he is precisely marrying Velma. After trying to recover a talking carton of chocolate milk from Jeff, Billy and Jeff get into a fight, and Jeff looks angrier than ever before.
Episode 3Underfist: Halloween Bash61 min
Billy, Irwin and Mandy go trick-or-treating on Halloween, and an evil marshmallow bunny attacks children with chocolate beasts.
Episode 4The Grim Adventures of the Kids Next Door23 min
While Billy's Dad is underwear shopping, Billy wears his dad's lucky pants, and accidently rips them with Grim's scythe. He calls Ed, Edd n Eddy, and they recommend Kids Next Door for charity.
Episode 5Super Myron Brothers2 min
Billy looks into Grim's trunk and sees a monster and names it Myron. But when Billy brings Myron outside to his backyard, he gets eaten.
Top Cast
Crew & Team

Executive Producer

Executive Producer
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