The Grim Adventures of Billy & Mandy - Season 6 (2006)

Modern Primitives: Billy convinces Grim to thaw a frozen caveman. Giant Billy and Mandy All-Out Attack: Grim ignores Mandy's commands to take Billy and Irwin to Japan.

The Wrongest Yard: Billy and Irwin join the school team so they can defend themselves. Druid, Where's My Car?: Billy and Grim become druids so that Billy can retrieve his kite.

Herbicidal Maniac: General Skarr plans to take revenge on Billy for destroying his garden. Chaos Theory: Hoss Delgado asks Billy, Mandy and Grim to help him break up with Eris.

In "A Grim Day", Grim gets a day off from both Billy and Mandy. In "Pandora's Lunch Box", a new girl named Dora arrives at the Endsville school, and she soon becomes fast friends with Mandy. All the while, however, Dora has a very suspicious-looking lunch box.

The Martian Grim Ripper informs Grim that he can break his contract with Billy and Mandy by leaving Earth. But the Martian has an ulterior motive.

In "Dumb-Dumbs and Dragons" Billy wants to become a hero by killing a dragon. In "Fear and Loathing in Endsville" Grim takes Dracula out to dinner, but on the way they get lost in a desert.

In "Dad Day Afternoon", Grim tries to convince his father he is a country singer. In "Scary Poppins", Mandy's parents have had enough of Mandy oppressing them and they hire a nanny to straighten her out.

In "Hurter Monkey" Grim conjures up a helper monkey to do the cleaning for him, which turns out to be a bad idea. In "Goodbling and the Hip-Hop-Opotamus" Grim accidentally turns Principle Goodvibes into a hip-hopper.

In "Spidermandy" Mandy contracts spider-pox from Jeff the spider and becomes a spider herself. In "Be A-Fred, Be Very A-Fred" Grim must spend a day with Fred Fredburger, but that turns out to be a horrible experience for all.

In "The Crass Unicorn" Billy tries to make an unhappy unicorn happy against her will. In "Billy and Mandy Begins" Billy, Grim, and Mandy tell Irvin about how the show began - while hanging over a monster pit.