Iggins from the episode Game Slave 2 has a cameo in this episode, when the police officer attempts to arrest him for "standing around and doing nothing".
Goof: When the old man falls off the cliff, he is yelling, though his mouth does not move the entire time.
Gir: (after touching the explosion) Yay, it burns!
Zim: (singing) Solution, give me a solution!
Zim: We cannot fail, GIR. Even as a small Irkan shmeet my dream was to pass probing day like a Slorvys passes her young... Jiggly! And full of juice...
Gir: I know whatchoo mean.
Zim: That's it, time!
Gir: Watchoo say?
Zim: Too bad the Dib was destroyed.
Gir: But, nuh-uh, no he wasn't!
Zim: Base, so messy! Explosion, so close! This is just horrible!
Zim: That's it! The city cess pool!
Computer: I didn't say anything about the city cess pool.
Tallest Purple: Hey, Invader Slacks! It's Probing Day! How do ya like that? Huh? Huh?!
Invader Slacks: Puppet show?!
Tallest Red: Everyone loves puppets, except you, it seems. You fail inspection!
Tallest Purple: You get a pummeling!
(Slacks gets pummeled)
Lumpheaded Woman: Look at that, it's one of them big headed boys.
Lumpheaded Woman: Look at him run, all slow like.
Dib: (speaking slowly) I will expose you… (speaking quickly)… for the horrible alien menace you are… (speaking normally)… and scoop your insides out!
Gir: (after picking up the explosion, his arm blows off) Yay, it burns!
Dib: (before he faints) You jerk…
Gir: (after he pulls a dirty puppy out of his head) Look what I found, and he smells real bad!
Tallest Purple: Well, Zim, you look real busy exploding things.
Tallest Red: What a shame. Talk to you later!
Gir: But if the big 'splodey goes fast, won't it get all bad?
(Gir begins to cry, Zim gives him a sucker)
Zim: Gir, begin cleanup and repairs!
Gir: I don't wanna... Okay!
Zim: I don't pay you to contradict me!
Computer: You don't pay me at all.