Bart is at it again, destroying the house, making a mess and creating a headache for Marge and Homer. They've finally had enough, so they decide to push Bart down the stairs. The next morning, Bart wakes up and heads to the bathroom. But Marge intercepts him and shoves him down the stairs. Bart tumbles down the steps seriously injuring himself along the way. He crash at the bottom and lays motionless. His family takes a pause, then laughs hilariously at him.