The Simpsons (1989– )
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I, (Annoyed Grunt)-Bot 

Homer pretends to be a robot and competes in Robot Wars to win Bart's affection; Lisa has cat trouble.


Lauren MacMullan


Matt Groening (created by), James L. Brooks (developed by) | 5 more credits »


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Episode cast overview:
Dan Castellaneta ... Homer Simpson / Snowball II / Grampa Simpson / Krusty the Klown / Squeaky-Voiced Teen / Gil / Sideshow Mel (voice)
Julie Kavner ... Marge Simpson (voice)
Nancy Cartwright ... Bart Simpson / Todd Flanders / Nelson Muntz / Kearney (voice)
Yeardley Smith ... Lisa Simpson (voice)
Hank Azaria ... Chief Wiggum / Lou / Wiseguy / Robot Rumble Commentator #1 / Moe Szyslak / Prof. Frink (voice)
Harry Shearer ... Ned Flanders / Dr. Hibbert / Robot Rumble Commentator #2 / Principal Skinner (voice)
Pamela Hayden ... Milhouse Van Houten / Jimbo Jones (voice)
Tress MacNeille ... Dolph / Animal Shelter Worker / Crazy Cat Lady (voice)
Karl Wiedergott Karl Wiedergott ... (voice)


Snowball II dies and Marge takes Lisa to a shelter to find a new cat. Unfortunately, the new cat dies as well. Marge and Lisa return to the shelter to, again, find a new cat. Meanwhile Homer wants Bart to be proud of him and tries to make a robot so he and Bart can fight robot wars together. When it becomes clear he can't built a robot, Homer pretends to be a fighting robot. Written by Marco van Hoof <>

Plot Summary | Add Synopsis


Animation | Comedy


TV-PG | See all certifications »






Release Date:

11 January 2004 (USA) See more »

Filming Locations:


Company Credits

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Technical Specs

Sound Mix:

Dolby | Dolby SR (seasons 3-19)



Aspect Ratio:

1.33 : 1
See full technical specs »

Did You Know?


Professor Frink says his robot is programmed to follow Isaac Asimovs Three Laws of Robotics. The title is a nod to Asimov's work I, Robot. See more »


When the bullies appear at the house to congratulate Bart on the robot, you can hear the doorbell and the door opening just as the bullies walk in. See more »


Ned Flanders: That is one bitching ride.
Rod Flanders: Daddy said a bad word!
Ned Flanders: Oh, lighten up, Roddy.
See more »


References The Terminator (1984) See more »


The Hokey Cokey
Written by Jimmy Kennedy
Performed by Yeardley Smith
See more »

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User Reviews

A good balance of comedy and emotion
17 April 2018 | by goonmilesSee all my reviews

This episode is definitely one of the best episodes of season 15! Surprisingly funny compared to the other bland boring episodes of season 15, and the A story with Homer and Bart is heart warming and fun. Jokes hit more often than miss on the A plot but the Lisa B plot feels really tacked on and rushed. Lisa's plot isn't bad, it's just painfully mediocre, the Homer and Bart story is what will hold your attention.

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