When the evil Aku and his League of Extraordinary Villains are accidentally warped to different dimensions, the Super Secret Crisis War! spreads into the worlds of Johnny Bravo, The Grim Adventures of Billy and Mandy, Foster's Home for Imaginary Friends, Cow & Chicken, and, Codename: kids next door!

"Originally published as Super secret crisis war!: Johnny Bravo one-shot, Super secret crisis war!: the grim adventures of Billy and Mandy one-shot, Super Secret Crisis War!: Foster's home for imaginary friends one-shot, Super secret crisis war! cow and chicken one-shot, and, Super secret crisis war!: codename: kids next door one-shot"--Title page verso.