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The Grim Adventures of Billy and Mandy is a American cartoon that originally aired on Cartoon Network from 2003 to 2008. It aired reruns on Boomerang from October 7, 2013 to January 4, 2015. It returned to Boomerang's schedule on June 27, 2016, then left the schedule again on April 3, 2017, then returned to the schedule again on January 2, 2018.

The Grim Adventures of Billy and Mandy

The series follows the supernatural adventures of friends with opposite personalities Billy and Mandy after the Grim Reaper becomes their guardian as a result of Grim lossing in a game of limbo.