Dogbert sits in the chair and Dilbert sits on the hassock. Dilbert asks, "Can't I talk you out of becoming a substitute teacher?" Dogbert replies, "Don't worry." Dogbert continues, "I won't damage the little tykes." The caption says, "Day one." Dogbert stands in front of a blackboard and says, "Good morning, children. I'm Mr. Dogbert." A student asks, "Are you flammable?"