| Screenshot |
Title |
Air Date |
Code |
 |
"Pilot" |
N/A |
0 |
| The Pilot episode of Invader Zim |
|
 |
"The Nightmare Begins" |
March 30, 2001 |
01 |
| Hoping to never see him again, The Almighty Tallest send Zim on a "mission" to far off Earth. |
|
 |
"Parent Teacher Night" |
April 6, 2001 |
03A |
| Zim makes use of his robot parents at the school's parent-teacher conferences. |
|
 |
"Walk of Doom" |
April 6, 2001 |
03B |
| Zim updates GIR's guidance chip, which he tests out in the big city. Unfortuantely, GIR has removed the chip, leaving the duo stranded. |
|
 |
"Bestest Friend" |
April 13, 2001 |
02A |
| Zim adopts an annoying best friend in order to appear more human. |
|
 |
"NanoZIM" |
April 13, 2001 |
04B |
| Dib sneaks into Zim's base, taking pictures and putting them on a floppy disk. Hoping to erase Dib's memory of where he hid the disk, Zim surreptitiously enters Dib's body to erase this memory. |
|
 |
"Germs" |
April 20, 2001 |
04A |
| After watching a B-war movie, Zim becomes germaphobic and dedicates his life to exterminating Earth's bacteria. |
|
 |
"Dark Harvest" |
April 20, 2001 |
02B |
| Zim harvests the organs of the school children to appear more human. |
|
 |
"Attack of the Saucer Morons" |
April 27, 2001 |
05A |
| A group of true believers steals Zim's ship and, after catching Zim trying to recover it, begin to worship him. |
|
 |
"The Wettening" |
April 27, 2001 |
05B |
| Zim searches for a water-proof paste to shade his water allergies so he can survive a water war with Dib. |
|
 |
"Career Day" |
May 4, 2001 |
06A |
| It's career day at school and Dib has been paired with a paranormal investigator. However, after discovering Zim is molting due to an equinox, Dib tries to convince his mentor to help him destroy Zim forever. |
|
 |
"Battle Dib" |
May 4, 2001 |
06B |
| Trying to get a permission slip signed, Dib must endure trials and torture to gain access to his father. |
|
 |
"A Room with a Moose" |
August 17, 2001 |
09A |
| Zim hijacks a school bus and sends it into a wormhole, at the end of which lies a very large moose. |
|
 |
"Hamstergeddon" |
August 17, 2001 |
09B |
| Zim turns the class pet into a Godzilla-like creature in order to kill everyone in the city, but must team up with Dib when the giant hamster attacks his base. |
|
 |
"Invasion of the Idiot Dog Brain" |
August 24, 2001 |
08B |
| GIR's brain takes over the base's operating system, and uses it to travel to the local taco resturaunt. |
|
 |
"Bad, Bad Rubber Piggy" |
August 24, 2001 |
07B |
| Zim sends a series of rubber piggies back into the past to stop Dib from meddling with his plans in the future, but the piggies end up causing trouble for Zim. |
|
 |
"Planet Jackers" |
August 31, 2001 |
07A |
| Zim attempts to stop two planet thieves who intend to burn the Earth in their sun for fuel, therefore ending his mission. |
|
 |
"Rise of the Zitboy" |
August 31, 2001 |
08A |
| Zim uses his hypnotic pimple to force Dib into revealing a weakness in Zim's base. |
|
 |
"Plague of Babies" |
September 7, 2001 |
10A |
| Zim discovers that aliens who look like babies are living on Earth. When they decide to take Zim's ship to return to their homeworld, Zim must fend off the attack of "Giganto-Baby." |
|
 |
"Bloaty's Pizza Hog" |
September 7, 2001 |
10B |
| After Dib is kidnapped by Zim, Gaz goes to save him in time for family dinner at her favorite restaurant. |
|
 |
"Bolognius Maximus" |
September 21, 2001 |
12A |
| Zim infects Dib with a virus that gradually turns him into meat. Dib manages to infect Zim with his own virus so they must work together to find the cure. |
|
 |
"Game Slave 2" |
September 21, 2001 |
12B |
| Gaz is on the trail of a video game fan who took the game console that was rightfully hers. |
|
 |
"Halloween Spectacular of Spooky Doom" |
October 26, 2001 |
16 |
| As a result of experiments done by Dib, Zim and Dib are trapped in an alternate universe where the only escape is through Dib's head. |
|
 |
"Mysterious Mysteries" |
March 22, 2002 |
14A |
| Dib goes on the TV show Mysterious Mysteries to tell the world the story of Zim. To Dib's surprise, Zim, GIR, and Gaz also appear on the show also to tell their sides of the story. |
|
 |
"Future Dib" |
March 22, 2002 |
15B |
| Zim uses a robot Dib to capture the real Dib while he attempts to destroy the earth. |
|
 |
"Door to Door" |
March 29, 2002 |
11A |
| Zim utilizes virtual torture and destruction in order to sell candy bars for the school fund raiser. |
|
 |
"FBI Warning of Doom" |
March 29, 2002 |
11B |
| Zim sees an FBI warning on a rented video and fears that his mission is threatened unless he returns the video immediately. At the mall, he faces the head of mall security. |
|
 |
"Battle of the Planets" |
April 5, 2002 |
13 |
| Zim and Dib discover that two of the planets in the solar system are actually spacecraft created by alien civilizations, and use them to battle each other. |
|
 |
"Abducted" |
April 12, 2002 |
14B |
| Zim and GIR are abducted by aliens as human and dog specimens. Escaping isn't difficult, as the aliens have only managed to stop one specimen from escaping in the past. |
|
 |
"The Sad, Sad Tale of Chickenfoot" |
April 12, 2002 |
17A |
| Dib sets out to disprove the legend of the Chickenfoot, who is actually a man stuck inside a chicken costume. |
|
 |
"Megadoomer" |
April 26, 2002 |
19B |
| Zim is accidentally shipped a high-powered robot with a cloaking device and he immediately heads off to kill Dib with it. |
|
 |
"Lice" |
April 26, 2002 |
18A |
| A lice hunter comes to the school to investigate an outbreak of headlice. She soon discovers that the only one who is immune to the infestation is Zim. |
|
 |
"Tak: The Hideous New Girl" |
May 10, 2002 |
20 |
| A pretty new girl, Tak, joins the class and is instantly beloved by all the other children. Zim thinks she's in love with him until she reveals that she's Irken and has come to destroy Earth to impress the Tallest and take his mission. Intended to be the season finale, it was aired out of order. |
|
 |
"GIR Goes Crazy and Stuff" |
May 24, 2002 |
17B |
| Zim adjusts GIR's behavior but things go wrong when GIR sees Zim as a threat to their mission on Earth. |
|
 |
"Dib's Wonderful Life of Doom" |
May 24, 2002 |
19A |
| Zim simulates Dib's entire life to find out whether or not he threw a muffin at Zim. |
|
 |
"Hobo 13" |
July 12, 2002 |
15A |
| Zim is sent to training planet Hobo 13 by The Tallest to take a series of tests and prove he is worthy of new equipment |
|
 |
"Walk for Your Lives" |
September 28, 2002 |
18B |
| Zim causes a very slow explosion and must put it out before it destroys the city and his base. Originally intended to air alongside Hobo 13. |
|
| Screenshot |
Title |
Air Date |
Code |
 |
"The Most Horrible X-mas Ever" |
December 10, 2002 |
29 |
| A snowman in the future tells children the story of Zim (referred to as "Zam) and Dib(Doob)'s battle at Christmas. After the series was cancelled, this episode was planned to act as the series finale. |
|
 |
"Backseat Drivers From Beyond the Stars" |
June 10, 2006 |
21 |
| Dib Tries to stop Zim from bringing The Tallest to Earth while The Tallest themselves have to deal with the resistance against Operation Impending Doom 2. Originally intended to be the season 2 premiere, it was long delayed until 2006. |
|
 |
"Mortos Der Soulstealer" |
June 17, 2006 |
22A |
| Dib summons a mystical beast to attack Zim but the beast is easily distracted. |
|
 |
"Zim Eats Waffles" |
June 17, 2006 |
25A |
| Dib manages to get a spy cam into Zim's base, but all Zim does is eat waffles. |
|
 |
"The Girl Who Cried Gnome" |
July 15, 2006 |
22B |
| A girl gets stuck in Zim's yard attracting unwanted attention from neighbors, the press and the Earth president. |
|
 |
"Dibship Rising" |
July 15, 2006 |
25B |
| Dib downloads his personality into Tak's ship, but the ship soon thinks that he is the real Dib, then Zim reminds the ship that he is Irken and attempts to throw Dib into the city sewage plant. |
|
 |
"Vindicated!" |
July 22, 2006 |
24B |
| Dib believes that someone finally believes him when he says Zim's an alien. |
|
 |
"The Voting of the Doomed" |
July 22, 2006 |
24A |
| Dib has to stop Zim from winning the school election. |
|
 |
"Gaz, Taster of Pork" |
August 12, 2006 |
26 |
| Dib uses an ancient spell drive to cast a spell on Gaz that makes her constantly taste pork. |
|
 |
"The Frycook What Came from All That Space" |
August 19, 2006 |
23 |
| Zim's former master from Foodcourtia arrives on Earth to take him back to his sentence of hard labor |
|
