- Zim: Stupid human propaganda, the very concept of a superior alien species being fell by something as pathetic as germs is sheer fantasy. Do they really believe that can happen? Bwahahaha
- Ms. Bitters: [Lecturing on the Bubonic Plague:] And then the rats came for them. Thousands of them. Dirty, dirty rats.
- [Dib snaps his pencil in half and puts it in his nose]
- Ms. Bitters: And these weren't the cuddly kind of rats you get in today's sewers.
- Dib: [raising his hand] Ms. Bitters? I think a pencil is lodged in my brain. Can I go to the Nurse?
- Ms. Bitters: How far in your brain?
- Dib: ...Pretty far.
- Ms. Bitters: ...All right.
- [indicates a large steam radiator]
- Ms. Bitters: Take the auxlilary hall pass.
- Zim: [Zim puts on Germ glasses so he can see all the germs and starts screaming and is scared to move] So... much... FILTH...
- [clenches fists]
- GIR: [after Zim eradicating all germs in the house] I'm gonna roll around on the floor for a little bit, 'kay?
- Dib: I'm looking for the pigeon-head kid.
- Receptionist: Nobody's come in with head pigeons, young man.
- Dib: Zim...? The green kid.
- Receptionist: Oh, the green child. He's right over there, doubled over in pain.
- Random Kid: [Hall Monitor] The cooing! The cooo-innnnngg!
- Receptionist: He's missing his liver. That's how some kids react to the cafeteria food. The lucky ones.
- Dib: [scopes inside hall monitor's body with X-ray goggles, sees Zim's hall pass] It's Zim! It has to be! He's stealing organs, and replacing them with... *stuff!* He must be stopped!
- Receptionist: Don't forget your hall pass!
- [a pigeon has flown in the window and landed on Zim's head]
- Ms. Bitters: Zim!
- Zim: Sir!
- Ms. Bitters: There's a pigeon on your head. You've got head-pigeons. Get to the nurse before they spread to the other children.
- Zim: Yes, Ms. Bitters!
- [moves to the door]
- Ms. Bitters: No leaving the class without a hall pass, Zim.
- Zim: Of course.
- Ms. Bitters: [takes an electronic collar from her desk, places it around Zim's neck] If you leave school grounds, it will explode.
- Dib: Ms. Bitters, I think a pencil is lodged in my brain. Can I go to the nurse?
- Ms. Bitters: How far in your brain?
- Dib: [looks at nose] Pretty far.