Spoilers abound below...beware!
- Miss Burke's decapitated head sprouting tentacles, then crawling back to and reattaching itself to its body, which is still walking around.
- Principal Drake getting up after being shot, with a bunch of little parasites crawling out of the bullet hole in her head.
- Ditto her Impaled Palm and subsequent chase through the darkened school by the coach.
- Marybeth's transformation into her alien form, her arms turning into Combat Tentacles and her head melting into her body, then turning into one ugly creature that looks like the Predator.
- The sight of Jon Stewart with a pen jammed into his eye is either this or Crowning Moment of Funny.
- Mrs. Brummel in the shower with her skin peeling off, and moaning for help. Made even more gruesome when patches of hair come away, with mushy scalp included.
- Coach Willis standing out in the rain with dozens of little tentacles sprouting from his head and razor sharp teeth.