Invader Zim Season 4 Episodes

Find out where to watch Season 4 of Invader Zim tonight

Season 4 Episode Guide

Episode 1 - The Nightmare Begins

On planet Conventia, The Almighty Tallest sends ZIM and robot GIR to Earth in human disguise to plot the planet's destruction. At school, Dib vows to expose ZIM as an alien.

Episode 2 - Bestest Friend / Nanozim

ZIM learns that friendship is a fundamental need for humans and befriends Keef./ZIM shrinks himself to use Dib's body to destroy the stolen incriminating photos of his secret hair.

Episode 3 - Parent Teacher Night / Walk of Doom

In order to participate in parent/teacher night, ZIM must use Robo-parents./ZIM and GIR learn "city-life" the hard way in efforts to test their guidance system.

Episode 5 - Attack of the Saucer Morons / The Wettening

ZIM crash lands the voot cruiser in a field and encounters an alien seeking group./On a rainy school day, Dib uses ZIM's fear of water to his advantage and starts a water war.

Episode 7 - Planet Jackers / Rise of the Zitboy

Planet jackers are stealing Earth and ZIM must save it so he can destroy it properly./ZIM has a massive pimple but figures out a way to use it to get valuable information from Dib.

Episode 8 - Invasion of the Idiot Dog Brain / Bad, Bad Rubber Piggy

In a mechanical mishap, GIR becomes part of the security core of the house./ZIM tries to get rid of Dib by sending a destroyer machine back in time to alter his past.

Episode 10 - Plague of Babies / Bloaty's Pizza Hog

ZIM catches Noogums looking at him and is convinced the drooling menace is a spy./Membrane and the kids are going out to eat and GAZ pick's Bloaty's Pizza Hog for the occasion.

Episode 11 - Door to Door / FBI Warning

ZIM becomes obsessed in winning the mystery prize for The Skool candy drive./ZIM takes the FBI warning on a video too seriously believing an overdue movie will destroy his mission.

Episode 12 - Bolognius Maximus / Game Slave 2

Dib realizes that ZIM doesn't eat human food and throws bologna at him to prove that ZIM is an alien./Gaz terrorizes Iggins, who cheated her out of the last hand-held GAME SLAVE 2.

Episode 13 - Battle of the Planets of Doom, Pts. 1 & 2

ZIM discovers that there is no life on Mars and reasons that whatever destroyed its people will be effective in his destruction of Earth. ZIM and GIR head to Mars to investigate.

Episode 14 - Halloween Spectacular of Spooky Doom, Pts. 1 & 2

Experimenting with alternate dimensions, Dib and ZIM get stuck in a nightmare world on Halloween.

Episode 15 - Mysterious Mysteries / Future Dib

ZIM, Dib, GIR and Gaz appear on Dib's favorite show, Mysterious Mysteries./Membrane invents a machine that could either eliminate the need for fuel or destroy all life on Earth.

Episode 16 - Hobo 13 / Walk for Your Lives

The Tallest tell ZIM that they will only grant his request for weaponry after he attains military training./ZIM accidentally creates a slowly expanding explosion.

Episode 18 - Abducted / The Sad, Sad Tale of Chickenfoot

Two aliens want to use ZIM as the perfect human specimen./Dib tries to disprove the mystery of "Chickenfoot."

Episode 19 - Gir's Gone Crazy and Stuff / Dib's Wonderful Life of Doom

Sick of his robot's short attention span, ZIM fixes GIR so that he is always in his serious mode./After chucking ZIM with a muffin, Dib's life takes a turn for the better.

Episode 22 - Zim Eats Waffles / Mortos Der Soulstealer

Having planted a camera in ZIM's house, Dib monitors ZIM, hoping to expose him/Dib conjures an immortal spirit to help bring an end to ZIM.

Episode 23 - The Girl Who Cried Gnome / Dibship Rising

When a Girly Ranger selling cookies gets stuck in a hole in ZIM's lawn, the result is a media circus./Eager to use Tak's ship, Dib erases her personality and downloads his own.

Episode 24 - Vindicated /Voting of the Doomed

When Dib is forced to see Mr. Dwicky, they decide to team up against ZIM./ZIM runs for class office so he can rule the world. Dib campaigns for ZIM's competitor, Willy.

Episode 25 - Gaz:Taster of Pork

In an attempt to give his sister cool powers, Dib instead makes it that everything Gaz eats tastes like pig. Gaz is not pleased.

Episode 26 - The Frycook / What Came from All That Space?

Angered by ZIM's leaving his banishment to join OID II, ZIM's former boss on Foodcourtia kidnaps him and makes him work at his old job.

Episode 27 - The Most Horrible X-MAS Ever

Zim disguises himself as Santa in order to woo adoring Christmas humans to their doom at the North Pole.



More movies and TV shows at the Australian TV Listings Guide..

-

In order to keep our service free we display advertising and may earn affiliate fees for purchases you make on external sites that we partner with.
All content is © 2025 On TV Tonight unless pertaining to advertisers, companies, studios, movies and TV series listed on this site.