Scratchtasia is a full-length musical starring Itchy and Scratchy. It appears as a parody of Disney's Fantasia and Fantasia 2000, or more specifically, of "The Sorcerer's Apprentice" segment of the film.
Scratchy appears as a sorcerer's apprentice (like Mickey Mouse in Fantasia and Fantasia 2000), Itchy is attacking him brandishing an axe. Dodging the attacks, Scratchy snatches the axe from Itchy. A terrified Itchy runs into an adjacent room, pursued by Scratchy who then attacks him. This splits Itchy into several smaller versions of himself that start to attack Scratchy, who attacks again, and bravely tries to stop them by chopping them all repeatedly until the Itchies are nothing more than pink powder. He sighs and accidentally inhales the powder. Inside his body, countless microscopic Itchies attack his bronchioles and white blood cells with axes, causing him to age in milliseconds until he crumbles into dust. This cartoon includes a rare scene featuring Scratchy violently killing Itchy.