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Invader ZIM Wiki

GIR's Big Day is one of the many unfinished episodes of Invader Zim.

It begins with Zim ordering GIR to help clean the yard, and GIR complies. As GIR is cleaning, a truck driving by somehow manages to hit him. The truck driver, having expected the "dog" to be dead, was surprised to find that it was just fine. In excitement, he told others of the accident and soon enough a crowd had gathered. After a short time, some scientists took GIR to their lab to determine how the "dog" survived. While they were in the process of cloning him, some doughnut crumbs got mixed into the DNA, which caused GIR to morph into a giant doughnut-dog monster. 

Clearly, chaos ensued, though the exact details of the plot beyond that are unknown.

Facts of Doom

  • The first issue of the Invader Zim Quarterly comic series is an adaptation of this episode.
  • According to Eric Trueheart's book, the original plot concept for this episode would have had GIR spending the day with a mentally handicapped man named Bucky, based on Lenny from the novel Of Mice and Men. In the book, Trueheart expresses his belief that that aspect was a "dick move" due to using a mental handicap as a source of humor, and is glad that portion was dropped.
    • In the same book, he also mentions that the episode was first sparked by GIR's popularity creating a demand for him to receive a spotlight episode, and that writing the story was difficult as he felt GIR worked best as comic relief and that audiences would be annoyed by a full episode of him. But he is ultimately happy with how the final story in the comic turned out.
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