Jimmy Neutron Wiki
Attack of the Twonkies

Episode 1-2
Season 3
Airdate November 11, 2004
Invention Sheenograth
Previous Win, Lose and Kaboom!
Next Lights, Camera, Danger!

Attack of the Twonkies is the first episode of The Adventures of Jimmy Neutron: Boy Genius' Season 3, and a special two-part episode.


Jimmy is preparing for a long-awaited event. That event is Twonkus-3's orbit around Earth, which it only makes once or twice a year. Jimmy then finds what he came for: samples of rock on the comet. After a close call with a hostile alien life form on the comet (a red and black 8-foot monster who’s an enormous fanged maw takes up its entire body).

Jimmy returns home only to find that a cute and cuddly alien has stowed away on his rocket in his sand samples. Despite Jimmy's warnings about the potential dangers of keeping alien creatures as pets, Carl brings his “Twonkie,” as he has named the alien, to school and shows it to the class. When it multiplies, they become huge attractions, and soon everyone owns one. However, the dangers Jimmy stated earlier about the dangers of owning an alien pet begin to manifest when Carl sings to his; when the twonkies here harmonious noise (music), they turn feral and morph into dangerously violent beasts. Soon, all the twonkies in Retroville begin morphing into savage monsters upon hearing any form of music.

Jimmy leads a group to round up every last one of the Twonkies and send them back to the comet before leaving for another year. Once all the twonkies are captured and secured in a triple reinforced steel containment bin, Jimmy, when if fully prepared to send them back to Twonkus-3 after a quick song from Graystar, a rock band Libby invited to sing at the opening for the town’s new Library. Unfortunately, when the song reaches its end, the containment bin where they trapped the Twonkies begins to shake. Suddenly, it bursts, revealing the exact same 8-foot monster that Jimmy narrowly escaped while on the comet, revealing that the monster is the result of a conglomeration of several Twonkies. Jimmy can’t stop it since, as he discovered while on the comet, this type of monster is entirely invulnerable to every weapon while Jimmy has. However, Sheen shows up, not knowing anything about the Twonkies turning into feral creatures upon hearing music. Jimmy soon finds out that Sheen's Twonkie is the only one that didn't evolve, and that's because Sheen's singing voice is so bad that Liversnap “as Sheen has named his instead of Mr. Cabbage-pants” perceives it as a form of anti-music. Instead of enraging it, it falls asleep. Jimmy takes advantage of this to neutralize the monster long enough to send it back to the comet before it destroys Retroville.

Meanwhile, Hugh spends all of Judy's grocery money on a dummy puppet named Flippy, who instantly gets on her nerves. As Jimmy straps, the monster to a rocket targets Twonkus 3 just before it leaves in the next 30 seconds. As the monster awakens, Sheen chokes on popcorn and cannot neutralize it again with his terrible singing voice. The monster struggles and shakes the rocket to the point where it causes a major malfunction that disconnects the main thruster. With only 15 seconds before the launch window closes, Jimmy concludes that he needs a fire to manually jump-start the rocket. Judy joyfully throws Hugh’s dummy to Jimmy, which he uses to launch the monster back to the comet once and for all.

In the end, the chorus performs at the new library, with Sheen getting the solo instead of Cindy much to her anger, albeit singing inside a phone booth so no one can hear him. However, when it seems things are back to normal, Jimmy can't help feeling he forgot something -- it has shown that he forgot to send Sheen's UN-mutated Twonkie back to the comet along with the monster (meaning he's stuck with them for another year). He jumps on the sill of Sheen's window and coughs up two new baby Twonkies, which run loose in Retroville, and the episode ends on a cliffhanger with a card that says "The End?" with the pink baby Twonkie as the period under the question mark.

Home Media


DVD only


  • The Adventures of Jimmy Neutron, Boy Genius: Season 2


  • Jimmy: People, people this isn't the time for blame. If it were I've be saying things like "I tried to tell you, and why didn't you jerks listen to me!".
  • Jimmy: I told you Carl it's a bad idea. But did he listen? No, he didn't! Maybe I'll just have to go door to everyone's twonkies and sending them back to space!

Flippy (to Judy): Hey there, doll face, what do ya say we ditch the dead wood, and go make some trouble?

Hugh: Flippy, please! Don't be fresh!

Flippy (to Hugh): I'm fresh? You're the one with your hand on my-

Hugh: That's enough! One more out of you, and it's back in the box!

Jimmy: Nick you too?

Nick: Uh.... I just need him to test hair products on!


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VHS Cover

DVD Cover


  • The special has inspired by the 1984 film Gremlins and its 1990 sequel Gremlins 2: The New Batch.
  • In the pet shop, if you look closely, you can see Leppy in one of the cages.
  • Betty Quinlan makes many cameos in this episode. She is first seen with the people who Libby asked to sign her letter to Graystar, then as one of the kids during the practice Rehearsal until Cindy announced that it had canceled due to the Twonkies attacking, and then during one of Graystar's songs as she can be seen dancing with all the other kids.
    • In addition to Betty, the leader of Graystar, Chelsea, seems to have the same style look as her.
  • Eustace Strych makes a cameo in one of the movie theater seats watching the Jet Fusion movie.
  • This is the last episode to be released on VHS.
  • This is one of the few episodes where Jimmy does not wear his lab coat in his lab. This is likely because he came back from Twonkus 3.
  • The Ultra Lord theme song has sung to the tune of the Spider-Man theme song.
  • While Jimmy and Goddard on the asteroid, the song that plays on the rocket's radio is the minuet movement of "String Quintet in E major, Op. 11, No. 5" by Luigi Boccherini.
  • While not appearing in this episode, Sheen pretends to be Bolbi Stroganovsky when he tries to get another chance to be in the school chorus.
  • Jimmy and Carl are the only kids in Ms. Fowl's class who are not in the school chorus.
  • This is the third time Libby uncharacteristically lies. The second was in Jimmy for President, and the first was in A Beautiful Mine.
  • In the video game version, Sheen's singing reverses the evolution process, but it just puts the Twonkies to sleep in this movie.
  • Because Sheen's twonkie was not sent back and reproduced, they have become a common sight throughout the town.
  • Jimmy claims he hasn't seen Sheen in hours when questioned by Carl on why he has to do a dangerous task. However, Sheen was at his house the whole time. You would think for a boy genius that Sheen's casa would be the first place Jimmy would check.
  • Sheen is shown to be a horrible singer in this episode. But in certain episodes, like The Trouble with Clones, he sings perfectly fine.
  • The frog picture Carl drew from the Movie can be seen in Carl's room when his Twonkie becomes a Stomper.
  • This is the third episode not to have the theme song.
  • This is the last TV movie not to have the theme song.
  • This is the second episode to feature a character holding up a sign reading “Ouch”, the first was When Pants Attack.
  • This is the second instance in which Butch mentioned tree frogs; the first was in Brobot.
  • According to this video, a deleted scene is revealed where instead of Judy snatching Flippy from Hugh and throwing it to Jimmy to use as fuel to the rocket, there originally was going to be a scene where Flippy insults Hugh so bad, Hugh gets fed up with him and throws him to Jimmy, so he can burn him.
    • This animated showreel also reveals the episode was produced in 2004.
The Adventures of Jimmy Neutron: Boy Genius: Season 3
Attack of the Twonkies (movie) | Lights! Camera! Danger! | Fundemonium | Stranded | Jimmy Goes to College | The N-Men | The Tomorrow Boys | My Big Fat Spy Wedding | Who's Your Mommy | Clash of the Cousins | Crouching Jimmy, Hidden Sheen | The Incredible Shrinking Town | One of Us | Vanishing Act | The Trouble with Clones | The Evil Beneath | Carl Wheezer, Boy Genius | Who Framed Jimmy Neutron? | Flippy | King of Mars | El Magnifico | Best in Show | How to Sink a Sub | Lady Sings the News | The League of Villains (movie)