Marcia Wallace credited as playing...
Edna Krabappel
- Milhouse Van Houten: [Milhouse pushes a slinky down an inclined board] Behold!... Gravity in all its glory!
- Edna Krabappel: Pretty lame, Milhouse.
- Principal Skinner: [seeing Bart's science project] "Go-Go Ray"?
- Bart Simpson: Allow me to demonstrate.
- [turns switch to "Mashed Potato" and zaps Skinner]
- Principal Skinner: AH! What the-?
- [He does the Mashed Potato across the room. Mrs. Krabappel laughs. Bart turns the switch to "Monkey" and zaps her]
- Edna Krabappel: AH! Can't... stop... doing... the Monkey!