Alyson Stoner credited as playing...
Isabella Garcia-Shapiro • Kid #1
- Isabella: [after the roller coaster ride] That was great, Phineas. What are you going to do tomorrow?
- Phineas: Don't know yet.
- Isabella: Maybe you can teach Perry some tricks.
- Phineas: Well, he is a platypus; they don't do much.
- Ferb: They're the only mammals to lay eggs.
- Phineas: Maybe he'll lay an egg.