Dewey: We're gonna be the best big brothers ever. We aced diapering and we totally owned tub time.
Reese: I'm so glad I memorized all the common household chemicals that can be poisonous to the baby.
Malcolm: You know, all this stuff parents have to do. All the feedings and bathings and diaperings and safety stuff and scheduling... Just made me realize, Mom never did any of this.
Reese: There's a bottle of this on our headboard.
Dewey: No wonder we turned out the way we did.