Clark: Russ, we checked every bulb, didn't we?
Rusty Griswold: Sure, Dad.
Clark: Hmm... Maybe we ought to just go up there and check...
Rusty Griswold: Oh, woo. Look at the time. I gotta get to bed. I still gotta brush my teeth, feed the hog, still got some homework to do, still got those bills to pay, wash the car...