Candace tells Stacy that she wants to name her future kids with Jeremy "Amanda" and "Xavier". Her kids are actually named that way.
Dr. Doofenshmirtz' script reads: Cut to: Doctor Heinz Doofenshmirtz, brilliant evil mastermind. He is working on a new 'inator' in his penthouse lair. Doofenshmirtz: Ah! Perry the Platypus. How unexpected for you to burst in on my nefarious plans. (Pause a beat) Cage comes down. Perry is trapped. The ingenious Doctor Doofenshmirtz approaches Perry.