Invader Zim is an American animated television series created by Jhonen Vasquez. It was produced by and subsequently aired on Nickelodeon. Invader Zim revolves around the life of its lead character, Zim, his malfunctioning SIR Unit GIR and the humans and aliens who become involved in his schemes. Zim is a member of the imperialistic Irken race, an extraterrestrial species whose social hierarchy is based on height. The Irken leaders, known as The Almighty Tallest, serve together because they are exactly the same height. As recounted during the series premiere, “The Nightmare Begins”, Zim, who is both very short and very naïve, was banished to the planet Foodcourtia for overzealously attacking his own planet and allies during Operation Impending Doom I.

Upon hearing of Operation Impending Doom II, Zim “quits” his exile in Foodcourtia and arrives at the Great Assigning. Here, elite Irken soldiers are chosen to become Invaders: special soldiers whose mission is to blend in with the indigenous life forms of their assigned planet, collect intelligence and prepare the planet for conquest by the Irken Armada. Zim pleads with the Tallest to assign him a planet and, in a desperate act to get Zim as far away as possible, they assign him to a presumed planet on the outskirts of their known universe that has never been explored. This “mystery planet” is Earth, and Zim’s erratic attempts at world domination and/or the eradication of the human race begin when he lands on Earth for the first time.

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  • Invader Zim – S01E04a “Germs”

    Invader Zim – S01E04a “Germs”

    Zim sees a B-rated movie reminiscent of the 1953 film version War of the Worlds, where advanced extraterrestrial species are thwarted by common germs. Zim becomes acutely germophobic and dedicates himself to studying and exterminating all of the Earth’s bacteria. He embarks on incredibly thorough cleaning sprees and uses germ spray on himself and GIR. After running out of germ spray he heads out to buy more, but GIR runs off to McMeaty’s. He there discovers that he can protect [...]

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  • Invader Zim – S01E03b “Walk of Doom”

    Invader Zim – S01E03b “Walk of Doom”

    Zim goes on an outing to the downtown area in order to test a new guidance chip he installed in GIR, but when GIR removes the chip before leaving to store a cupcake, Zim and GIR are left lost and having to resort to public transport to find their way back. Their journey home is complicated further by Zim temporarily losing his vision by looking at the sun, his disguise being mistaken for that of a bank robber, and his escape [...]

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  • Invader Zim – S01E03a “Parent Teacher Night”

    Invader Zim – S01E03a “Parent Teacher Night”

    Parent-Teacher Night is approaching and Zim is confronted with the fact that he doesn’t have any parents (Irkens are cloned from a gene bank). He makes use of his robot parents to attempt to fool the students, teachers and parents. However, Zim knows that the Roboparents aren’t equipped for such a job. Dib, who brings his dad’s communication device, tries to prove that Zim is an alien. The robotic parents malfunction and wreak havoc during the meeting, but nobody discovers [...]

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  • Invader Zim – S01E02b “NanoZim”

    Invader Zim – S01E02b “NanoZim”

    Dib sneaks into Zim’s base, takes incriminating pictures of Zim without his disguise on, and puts them on a floppy disk. Zim discovers Dib and shrinks to microscopic size to enter Dib’s body via microscopic submarine. Zim accesses Dib’s nervous system, giving him control of Dib’s arms, and makes him crush the floppy disk. Dib reveals he has a copy of the disk hidden in his house, so Zim travels to Dib’s brain to wipe the memory of where the [...]

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  • Invader Zim – S01E02a “Bestest Friend”

    Invader Zim – S01E02a “Bestest Friend”

    Zim notices that all the other children in the school have friends except him. This is seen as a threat to his all-important mission, as well as a potential exposure of his real identity. He decides that as he doesn’t want to appear strange, he must also have a friend. Zim chooses an annoying classmate named Keef to be his best friend and once people have acknowledged that Zim has a friend, he attempts to abandon him. Keef, however, does not take [...]

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  • Invader Zim – S01E01 “The Nightmare Begins”

    Invader Zim – S01E01 “The Nightmare Begins”

    The Irken race is having a great assigning for Operation Impending Doom II, where all Invaders are assigned a planet to conquer. Zim is not invited, as he nearly destroyed the planet Irk during Operation Impending Doom I; yet turns up anyway, and hoping to never deal with him again, The Almighty Tallest send Zim on a fake mission to the edges of their known universe and issue him a dysfunctional Standard Information Retrieval unit who called himself “GIR”, where [...]

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