Lisa takes up astronomy and causes the town to go crazy from sleep deprivation when she protests the light pollution in the sky.
- Disproportionate Retribution: Fat Tony orders someone to beat up a bird because the bird landed on his hood ornament.
- Foreshadowing: Carl briefly recalls his childhood in Iceland. Carl's family is the plot point of The Saga of Carl.
- Motive Decay: At first, Bart wants to steal a hood ornament to impress his fellow students. He eventually forgets why he wants the hood ornament but still tries to steal it.
- Paper Tiger: Bart loses his title of king of the school when Nelson throw dirt at him, making him cry and say that he'll snitch.
- Would Hurt a Child: After creating a mass blackout, most of the town turns into a mob and converges on Bart and Lisa, intending to "tear them limb from limb." Only Lisa pointing out a meteor shower above prevents the mob from hurting the kids.