(Scene opens with Phineas and Ferb building something outside) Phineas: I thought this would be a great idea! Ferb: (Thumbs up) (Candace walks up) Candace: Okay. What are you guys doing. now? Phineas: We're building our very own city! Candace: Oh please! That's just what you need, a City with everything Impossible possible in it! Well, i'll be at Stacy's! So, DON'T come looking for me! (Candace walks off, Isabella opns the gate for Candace, and comes in) Isabella: Hey Phineas! So, What'cha do-- Perry: Gyrururururururururu! Isabella: Hey Perry! So, Phineas, what are you doing?