SIR (Invader Zim)

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See also: GIR (Invader Zim)

S.I.R. Stands for a Standard-issue Information Retrieval unit. It is a form of information-gathering robot used by the Irken race in the TV show Invader Zim. They are designed to assist any invader in their conquest of planets. They also double as a thermos.

[edit] Abilities

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SIR units are equipped with various weaponry and gadgets. Here is a list of all their known functions and utilities:

  • Head-mounted rocket-launchers and machine guns
  • Circular saw-blades
  • Self-destruct capabilities
  • Extending grappler arms
  • Hover-jets in legs; thrusters can be removed and the empty space used for storage
  • Ability to fire electronic-crippling fragments
  • Ability to discharge energy blasts
  • Giant sling-shot in head
  • Compatibility with custom upgrades, such as Mimi's power arm and GIR's memory tank
  • Ability to pilot Irken vehicles
  • Collapsibility for easy storage
  • Thermos
  • Free will activated when the mission to which they have currently been assigned is threatened
  • Communication with the owner through the owner's PAK

[edit] Additional Features

A SIR unit's memory disk inside its head records all vital data witnessed by the SIR unit. Though not necessary for the unit to function, it can be used to override basic SIR programming and control the unit from a remote location, as stated by the computer in Tak: The Hideous New Girl.


 v • d • e 
Season One Episodes Pilot • The Nightmare Begins • Parent Teacher Night • Walk of Doom • Bestest Friend • NanoZim • Germs • Dark Harvest • Attack of the Saucer Morons • The Wettening • Career Day • Battle-Dib • A Room with a Moose • Hamstergeddon • Invasion of the Idiot Dog Brain • Bad, Bad Rubber Piggy • Planet Jackers • Rise of the Zitboy • Plague of Babies • Bloaty's Pizza Hog • Bolognius Maximus • Game Slave 2 • Halloween Spectacular of Spooky Doom • Mysterious Mysteries • Future Dib • Door to Door • FBI Warning of Doom • Battle of the Planets • Abducted • The Sad, Sad Tale of Chickenfoot • Megadoomer • Lice • Tak: The Hideous New Girl • GIR Goes Crazy and Stuff • Dib's Wonderful Life of Doom • Hobo 13 •

Walk for Your Lives
Season Two Episodes The Most Horrible X-mas Ever • Backseat Drivers From Beyond the Stars • Mortos Der Soulstealer • Zim Eats Waffles • The Girl Who Cried Gnome • Dibship Rising • Vindicated • The Voting of the Doomed • Gaz, Taster of Pork • The Frycook What Came from All That Space • unfinished episodes
Main Characters Zim • GIR • Dib • Gaz • Almighty Tallest • Professor Membrane • Tak • Ms. Bitters • The Resisty
Planets Callnowia • Conventia • Foodcourtia • Irk • Meekrob • Other Planets
Irken Technology Vehicles & Weapons • SIR units
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