The Grim adventures of Billy and Mandy Often referred as Billy and Mandy is an American Animated Television series that aired on Cartoon Network. It is also the spin-off of grim and evil having originally aired as part of Grim & Evil show began in 2001, And went on to become one of Cartoon Network's longest running shows. The show began airing under the Grim adventures of Billy and Mandy title on june 13, 2003 airing it's last regular episode on november 9, 2007. A crossover with Codename: Kids Next Door, called The Grim Adventures of the KND, first aired on November 11, 2007 on october 12, 2008 a special titled Underfist Which focused on serveral character's aired, intendend as a backdoor pilot but the spinoff never came to fruition.
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