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The Grim Adventures of Billy and Mandy: Herbicidal Maniac/Chaos Theory

Herbicidal Maniac: After Billy messes up his yard with a lawn mower and is affected by Grim's scythe, Mr. Skarr becomes a green creature who turns things into plants when he touches them. He wants to kill Billy for ruining his yard although he made the plants grow back in his garden and won an award for being a good neighbor.
Chaos Theory: Billy, Mandy, Grim and Irwin are at Costmo and they notice that there is less chaos. The cause is that Hoss Delgado and Eris are dating with each other. Now Grim, Mandy, Irwin and Billy try to find a way to break them up.

Episode Info


Episode number: 5x21
Production Number: 521
Airdate: Tuesday March 21st, 2006



Guest Stars
Armin ShimermanArmin Shimerman
voiced Mr. Skarr
Recurring
Jane CarrJane Carr
voiced Pud'n
Recurring
Maxwell AtomsMaxwell Atoms
voiced Jeff
Recurring
Rachael MacFarlaneRachael MacFarlane
voiced Eris
Recurring
Episode Notes
Credits: Billy's skull is on the ground and then Billy notices it. He picks it up and takes it to his mom's pillow.



Cultural References
Herbicidal Maniac is an allusion to the terms homicidal maniac.

At the beginning of Herbicidal Maniac, there was a cow who was standing up. The cow seemed to resemble Cow, a main character from the Cartoon Network show, Cow and Chicken.

Costmo, a store that appeared in this episode is a spoof of Costco, a major warehouse chain.



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