The Itchy & Scratchy & Poochie Show included the voice of Alex Rocco, who also guested on which 18th episode of season 7 of the Simpsons?
The Itchy &amp; Scratchy &amp; Poochie Show:  Alex Rocco is a credited guest voice as Roger Meyers, Jr. for the third and final time (having previously provided the character's voice in "Itchy & Scratchy & Marge" and "The Day the Violence Died"); Phil Hartman also guest stars as Troy McClure. The Day the Violence Died: "The Day the Violence Died" is the eighteenth episode of "The Simpsons"' seventh season.
The Day the Violence Died