Zim: I've put up with you long enough, Dib! Now fight an enemy you cannot see!
Dib: ...You're right there.
[Zim gasps, then scoots over. Dib points at him again]
Dib: There! Your mighty Irken cloaking device cloaks the robot, but not you.
Zim: LIES! Now behold the doom cannon!
Dib: I can't. It's invisible.
Zim: But you can see me?
Dib: That's what I said.
Zim: Oh, that's STUPID!
Dib: Really stupid.
Zim: You dare agree with me? Prepare to meet your horrible doom!
Dib: ...You're right there.
[Zim gasps, then scoots over. Dib points at him again]
Dib: There! Your mighty Irken cloaking device cloaks the robot, but not you.
Zim: LIES! Now behold the doom cannon!
Dib: I can't. It's invisible.
Zim: But you can see me?
Dib: That's what I said.
Zim: Oh, that's STUPID!
Dib: Really stupid.
Zim: You dare agree with me? Prepare to meet your horrible doom!
Zim : I've put up with you long enough, Dib! Now fight an enemy you cannot see!
Dib : ...You're right there.
[Zim gasps, then scoots over. Dib points at him again]
Dib : There! Your mighty Irken cloaking device cloaks the robot, but not you.
Zim : LIES! Now behold the doom cannon!
Dib : I can't. It's invisible.
Zim : But you can see me?
Dib : That's what I said.
Zim : Oh, that's STUPID!
Dib : Really stupid.
Zim : You dare agree with me? Prepare to meet your horrible doom!
http://www.tv-quotes.com/shows/invader-zim/quote_5420.html