Over the Garden Wall is Cartoon Network’s 1st animated mini-series event that tells the story of two brothers, Wirt and Greg, who find themselves lost in a strange forest. With the help of a bluebird named Beatrice, they must travel across this strange land in hope of finding their way home. featuring the voices of Elijah Wood, Melanie Lynskey, Chris Isaak, Christopher Lloyd, and John Cleese.