The word "doom" along with its derivatives is uttered approximately 100 times throughout the episode, mostly by GIR during his "Doom Song" and Ms. Bitters during her "The Universe is doomed" lecture. See more »
What about his horrible green head?
INSOLENT SCHOOLBOY! It's a skin condition.
And he's got no ears! Is that part of your skin condition, Zim? No ears?
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