User blog comment:Mobo85/Hot off the Presses: "Across the Second Dimension" Debuts August 5/@comment-5522044-20110707175750/@comment-3212462-20110709003014

Does Doof use the Amnesia-inator on himself too? Because if he doesn't, then even though Phineas and Ferb won't remember him or Perry (being an agent), Doof will remember them. He might even mention them from time to time in newer episodes during fights with Perry.