Season 1
🎬 36 Episodes 📅 2001 ⏱ 11 min
An alien dreamer with grand delusions of conquest finds himself stranded on Earth, masquerading as an ordinary schoolboy while orchestrating the planet's demise with hilariously mismatched technology. Invader ZIM captures the heart of a sci-fi comedy that subverts expectations, where the unlikely villain becomes oddly sympathetic in his desperate bid for validation. Against impossible odds, only one skeptical boy recognizes the truth, forced to expose an extraterrestrial threat no one else can see or believe. It's a tale of belonging wrapped in absurdist humor and genuine pathos.
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📊 Season Stats
36
Episodes
2001
Year
11
min / ep
6.6
Watch Hours
1/2
Season No.
⭐ 7.8
Best Episode
Ep. 1 · The Nightmare Begins
🎬 Season Trailer
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🎬 Episodes 36 episodes
1
⭐ 7.8
The Nightmare Begins
Dedicated Irken soldier Zim is sent on a secret mission to Earth, where he disguises himself as an elementary-school student and gathers information about human beings. His plan is moving smoothly until an extraterrestrial-obsessed classmate named Dib takes notice of Zim's green skin and missing ear…
🎬 Steve Ressel ✍️ Rob Hummel
2
⭐ 7.0
Parent-Teacher Night
After another day at the Earth skool, Ms. Bitters reminds the children that it’s Parent Teacher Night and that all the parents must come to the skool at the end of the day. Zim becomes worried because his robotic parents aren’t programmed for such a task yet and he cannot permit them to blow his co…
🎬 Steve Ressel ✍️ Rob Hummel
3
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 in order to store a cupcake, Zim and GIR are left lost and have to resort to public transport to find their way back. Their journey home is complicated fu…
🎬 Steve Ressel ✍️ Rob Hummel
4
Bestest Friend
When Zim makes a huge scene over his inability to eat lunch food, he overhears one of the girls at school talking about how inhuman he seems to be and how he has no friends. In an attempt to appear more normal, Zim decides to spend time with a student named Keef, though Zim soon finishes his plan an…
🎬 Steve Ressel ✍️ Rob Hummel
5
NanoZim
When Dib finally manages to get a picture of Zim without him in his disguise, Zim formulates a plan to shrink himself down into a microscopic size to get into Dib’s body and perform a brain wipe to prevent him from remembering where he located the picture. Fortunately for Dib, his father has been w…
🎬 Steve Ressel ✍️ Rob Hummel
6
Germs
After Zim watches an old movie where some invading aliens are defeated by some bacteria, he begins to study germs more. However, when he discovers that such germs truthfully are everywhere, he begins a crusade to kill every germ in his headquarters so that he can be safe, which is helped by the fac…
🎬 Steve Ressel ✍️ Rob Hummel
7
Dark Harvest
When Dib finds out that Zim has no human organs, he attempts to exploit Zim’s ailment of head pigeons to get the skool’s nurse to examine Zim in hopes she will see the truth. However, when Dib blurts his plan out to Zim, Zim develops a device that will permit him to switch objects for organs, in wh…
🎬 Steve Ressel ✍️ Eric Trueheart
8
Attack of the Saucer Morons
Zim attempts to test some of the defenses that Earth has by taking his Voot out for a drive to monitor local police units. However, when a bumble bee crashes into his vehicle, Zim comes crashing down in the park, in which he heads home because he will be unable to recover it the next day. However,…
🎬 Steve Ressel ✍️ Eric Trueheart
9
The Wettening
When it begins to rain one day, Zim becomes worried because he’s never experienced rain before. Dib takes notice of his fear and he coaxes Zim into stepping into the rain, only to discover that the Irken race has an innate weakness to water, which causes a burning sensation upon impact. Dib decide…
🎬 Steve Ressel ✍️ Eric Trueheart
10
Career Day
Ms. Bitters is assigning students their mentors for Career Day through the use of an aptitude test and a machine. Both Dim and Zim attempt to get their desired professions on the test, in which Dib manages to get paired with a Paranormal Investigator while Zim gets stuck working at a fast food faci…
🎬 Steve Ressel ✍️ Rob Hummel
11
Battle-Dib
When Dib finally manages to be permitted to present his findings on Zim to the Swollen Eyeball Network, he believes he will be able to put an end to Zim’s schemes once and for all. However, when he discovers that he needs his father’s permission and since his father is busy working on his televisio…
🎬 Steve Ressel ✍️ Eric Trueheart
12
A Room with a Moose
When Zim formulates a plan to get revenge on his skoolmates and especially Dib, he gets them all participating on a fieldtrip. Dib, however, realizes that the driver of the bus isn’t real, but due to his constant theories, the other students disregard his warnings. Zim decides to gloat about his m…
🎬 Steve Ressel ✍️ Rob Hummel
13
Hamstergeddon
While at skool one day, Ms. Bitters tells the class that they need a new pet hamster due to the orders of the skool’s board of directors. When the hamster arrives, all the children love the hamster because of how adorable it is, in which Zim decides to exploit that fact since the hamster could help…
🎬 Steve Ressel ✍️ Eric Trueheart
14
Invasion of the Idiot Dog Brain
When Zim’s headquarters are having security problems, Zim attempts to upgrade the security system and get the job over with. He decides to put Gir in charge of ensuring nothing goes wrong while he replaces the computer’s AI, but when Gir begins to mess around with things, he inadvertently causes th…
🎬 Steve Ressel ✍️ Rob Hummel
15
Bad, Bad Rubber Piggy
Zim finally finishes one of his self proclaimed brilliant inventions, a space-time-object-transfer device, in which he plans to send a giant robot into the past in order to put an end to Dib once and for all. However, when the robot isn’t compatible with the temporal field, he throws a rubber pig i…
🎬 Steve Ressel ✍️ Eric Trueheart
16
Planet Jackers
Zim is upset because all of the other Invaders are doing much better in their tasks than he is, though he inadvertently discovers that his signal to the data hub has been interrupted. When Zim takes a closer look, he discovers that the Earth has actually been hijacked by the Planet-Jackers, an alie…
🎬 Steve Ressel ✍️ Rob Hummel
17
Rise of the Zitboy
When Zim comes home from a lousy day at skool because he found out that Dib knows a flaw in his security system, Gir attempts to cheer him up by rubbing bacon oil all over his face. However, when Zim develops a pimple due to the grease, he fears that he will be considered abnormal and that it will …
🎬 Steve Ressel ✍️ Frank Conniff
18
Plague of Babies
When Zim’s Voot Cruiser has a mechanical failure and it sends Zim and Gir flying through the skies, Zim manages to gain control just in time to land safely in their headquarters. However, Zim is highly upset because a human baby saw the whole thing and despite Gir’s attempts to reason with him, Zim…
🎬 Steve Ressel ✍️ Rob Hummel
19
Bloaty's Pizza Hog
Dib believes he has figured out a way to successfully tunnel into Zim’s underground base, but when his father comes in and announces that it’s the Membrane family’s night out and that Gaz gets to pick the place to eat, Dib runs off saying that he will be back in time for them to leave. However, whe…
🎬 Steve Ressel ✍️ Rob Hummel
20
Bolognius Maximus
When Dib once again notices that Zim isn’t eating his food, he throws a piece of bologna at him in order to taunt him, in which the bologna fuses with Zim’s skin, causing him immense pain. Zim vows to get his revenge and during the next day of school, Dib sits on a tack, which causes Zim to begin l…
🎬 Steve Ressel ✍️ Jhonen Vasquez
21
Game Slave 2
When Gaz sees an advertisement for the new handheld gaming console, the Game Slave 2, she decides that she really needs to go to the mall in order to get one. However, when her father insists that she takes Dib to the mall as well, he forces her to wait until Mysterious Mysteries goes off, which cau…
🎬 Steve Ressel ✍️ Eric Trueheart
22
Halloween Spectacular of Spooky Doom
It’s Halloween and the entire town is getting into the Halloween spirit; much to Zim’s dismay because he considers the entire concept to be insane and he doesn’t want filthy Earth children coming to his house. Meanwhile, Ms. Bitters sends Dib to an insane asylum because he has been acting crazier t…
🎬 Steve Ressel ✍️ Rob Hummel
23
Mysterious Mysteries
When Mysterious Mysteries is having trouble in ratings due to their lack of stories, they decide to take drastic measures and they finally let Dib onto the show. Dib believes this is his best chance to reveal Zim for what he is and he plays a short clip of Zim and Dib in the woods, which actually m…
🎬 Steve Ressel ✍️ Rob Hummel
24
Future Dib
Professor Membrane has just unveiled a world changing machine that will completely remove the entire need for fuel, though if the machine were to malfunction, it could cause a giant shockwave that would destroy all life on Earth. However, Professor Membrane refuses to turn the machine on until his …
🎬 Steve Ressel ✍️ Rob Hummel
25
Door to Door
The skool is holding a candy drive in order to get some finances, in which the individual who sells the most chocolate bars will get a secret mystery prize. Zim becomes interested and he attempts to find a way to sell the most chocolate bars, which causes Dib to get into the contest in order to gai…
🎬 Steve Ressel ✍️ Eric Trueheart
26
FBI Warning of Doom
Gir has recently been watching a movie he rented from the local mall, in which Zim just happens to be in the room when the FBI Warning is displayed on screen. Just as Zim realizes this, he gets a phone call from the mall saying they need the video back, in which Zim begins to panic because he belie…
🎬 Steve Ressel ✍️ Frank Conniff
27
Battle of the Planets
When Zim goes to Mars to attempt to find a way to destroy the Earth, figuring that whatever killed the life on Mars may work for Earth as well, he stumbles across the face on Mars, which he later discovers that is actually the controls for a spaceship, in which the entire planet of Mars was the spac…
🎬 Steve Ressel ✍️ Jhonen Vasquez
28
Abducted
When Zim is attempting to explain to the Almighty Tallest that the humans are both dumb and tall, he gets interrupted when the doorbell rings and his transmission to the Tallest is cut short. The two individuals at the door claim to be human, but Zim doesn’t believe them and he attempts to tell the…
🎬 Steve Ressel ✍️ Rob Hummel
29
The Sad, Sad Tale of Chickenfoot
When Professor Membrane invites some of his colleagues over to the house, they insult and mock Dib because of his hobby of paranormal investigation. Matters become even worse for Dib when Mysterious Mysteries begins to show a segment on Chickenfoot, a being that is obviously a guy in a suit. Dib d…
🎬 Steve Ressel ✍️ Eric Trueheart
30
Megadoomer
The Almighty tallest are examining a storage planet in order to send valuable goods to the Invaders to help them on their missions. They decide to send a Megadoomer Combat Stealth Mech to Invader Tenn to help her conquest of the planet Meekrob and they decide to send a box of malfunctioning SIR unit…
🎬 Steve Ressel ✍️ Eric Trueheart
31
Lice
When at skool one day, a child comes into class late because his head was itchy, which Ms. Bitters recognizes that it was due to lice. Before she can do anything, however, the lice infect the rest of the students in the class, so Ms, Bitters informs the Delouser, who proclaims martial law and the ch…
🎬 Steve Ressel ✍️ Rob Hummel
32
TAK: The Hideous New Girl
An Irken masquerades as the new girl at school in order to settle an old score with Zim.
🎬 Steve Ressel ✍️ Eric Trueheart
33
GIR Goes Crazy and Stuff
When Zim attempts to taint the Earth’s cow-meat supply with sewer water is ruined because of Gir’s antics, he decides to increase the power on Gir’s behavioral modifier, which will permit him to stay in serious mode all the time. However, when the serious Gir starts to consider Zim a threat to the …
🎬 Steve Ressel ✍️ Eric Trueheart
34
Dib's Wonderful Life of Doom
While at school one day, Zim throws another fit about the lunch food so Dib throws a muffin at him, which causes Zim to run away in anger. The next day, a pair of Meekrob come to Dib in his sleep and grant him marvelous super powers, in which Dib decides to use to put an end to Zim once and for all…
🎬 Steve Ressel ✍️ Eric Trueheart
35
Hobo 13
When Zim’s constant requests to the Tallest get on their nerves, they attempt to remind him that he is an Invader, not a battle soldier, and that he doesn’t have the training to use the equipment he requested. In order for Zim to prove himself to them, they send him to Hobo 13, an elite training fa…
🎬 Steve Ressel ✍️ Eric Trueheart
36
Walk for Your Lives
During Probing Day, the day where the Tallest evaluate the Invaders’ performances, Zim has Dib captured in a space-time-field prison which is keeping him in slow motion, in which Zim wants to perform experiments on him for the Tallest. However, when a malfunction causes the prison to explode, Zim f…
🎬 Steve Ressel ✍️ Eric Trueheart