Episode 1
The Nightmare Begins
Dedicated Irken soldier Zim is sent on a secret mission to Earth, where he disguises himself as an elementary-...
Episode 2
Parent-Teacher Night
After another day at the Earth skool, Ms. Bitters reminds the children that it’s Parent Teacher Night and that...
Episode 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...
Episode 4
Bestest Friend
When Zim makes a huge scene over his inability to eat lunch food, he overhears one of the girls at school talk...
Episode 5
NanoZim
When Dib finally manages to get a picture of Zim without him in his disguise, Zim formulates a plan to shrink...
Episode 6
Germs
After Zim watches an old movie where some invading aliens are defeated by some bacteria, he begins to study ge...
Episode 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 t...
Episode 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 p...
Episode 9
The Wettening
When it begins to rain one day, Zim becomes worried because he’s never experienced rain before. Dib takes not...
Episode 10
Career Day
Ms. Bitters is assigning students their mentors for Career Day through the use of an aptitude test and a machi...
Episode 11
Battle-Dib
When Dib finally manages to be permitted to present his findings on Zim to the Swollen Eyeball Network, he bel...
Episode 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...
Episode 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...
Episode 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...
Episode 15
Bad, Bad Rubber Piggy
Zim finally finishes one of his self proclaimed brilliant inventions, a space-time-object-transfer device, in...
Episode 16
Planet Jackers
Zim is upset because all of the other Invaders are doing much better in their tasks than he is, though he inad...
Episode 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 syste...
Episode 18
Plague of Babies
When Zim’s Voot Cruiser has a mechanical failure and it sends Zim and Gir flying through the skies, Zim manage...
Episode 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...
Episode 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 ta...
Episode 21
Game Slave 2
When Gaz sees an advertisement for the new handheld gaming console, the Game Slave 2, she decides that she rea...
Episode 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 consi...
Episode 23
Mysterious Mysteries
When Mysterious Mysteries is having trouble in ratings due to their lack of stories, they decide to take drast...
Episode 24
Future Dib
Professor Membrane has just unveiled a world changing machine that will completely remove the entire need for...
Episode 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 c...
Episode 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 r...
Episode 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...
Episode 28
Abducted
When Zim is attempting to explain to the Almighty Tallest that the humans are both dumb and tall, he gets inte...
Episode 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...
Episode 30
Megadoomer
The Almighty tallest are examining a storage planet in order to send valuable goods to the Invaders to help th...
Episode 31
Lice
When at skool one day, a child comes into class late because his head was itchy, which Ms. Bitters recognizes...
Episode 32
TAK: The Hideous New Girl
An Irken masquerades as the new girl at school in order to settle an old score with Zim.
Episode 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...
Episode 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 caus...
Episode 35
Hobo 13
When Zim’s constant requests to the Tallest get on their nerves, they attempt to remind him that he is an Inva...
Episode 36
Walk for Your Lives
During Probing Day, the day where the Tallest evaluate the Invaders’ performances, Zim has Dib captured in a s...