Batman is incarcerated in Arkham Asylum after being exposed to Scarecrow's fear gas and suffering hallucinations that nearly cause him to harm innocent people. Batman knows that the Scarecrow has escaped for the second time and is planning to dump his fear toxin into the water supply. Can Batman bring himself to break the law and escape from Arkham before the Scarecrow brings Gotham to its knees?

In order to curb Bart's constant misbehavior Homer and Marge come up with the ultimate punishment; they ban him from going to see the newly released Itchy & Scratchy movie.