Thanks to Timmy Turner's Fairy Godparents Cosmo & Wanda, he and Jimmy Neutron switch universes and have zany adventures therein.


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Cast overview, first billed only:
Jimmy Neutron (voice)
Timmy Turner (voice)
Judy Neutron (voice)
Hugh Neutron (voice)
Carl Wheezer / Announcer (voice)
Sheen Estevez (voice)
Cindy Vortex (voice)
Libby Folfax (voice)
Goddard (voice)
Wanda (voice)
Cosmo / Dad / Jorgen (voice)
Mr. Crocker (voice)
Sanjay / Elmer / Fairy Agent #1 (voice) (as Dee Baker)
Gary LeRoi Gray ...
A.J. (voice) (as Gary LeRoi Gray II)


Fourth in a set of Nickelodeon series crossovers, it's science vs. magic as Timmy Turner who's destined to fail at science class wishes he had the greatest lab in the universe, which just happens to be the not-so-secret lab of Jimmy Neutron. Timmy and Jimmy are teleported to Retroville and Dimmsdale respectively, where Jimmy was planning to upgrade his mechanical dog Goddard, only to have Timmy download a video game that's far more violent than even it's manufacturers expected, and somehow wins the heart of Cindy Vortex. Meanwhile, Jimmy's effort to return to Retroville has been thwarted by fairy-mad teacher Denzel Crocker who uses Jimmy's scientific knowhow to take over Fairy World. Written by Daniel Timothy Dey

Plot Summary | Add Synopsis


When two worlds collide, it's one wild ride!





Release Date:

7 May 2004 (USA)  »

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


This is Nickelodeon's fourth crossover between two of its shows (the first three being Rugrats/Real Monsters, Kenan & Kel/Cousin Skeeter, and Rugrats/Wild Thornberrys). See more »


As Jimmy tries to use the Auto-Poofer a second time while standing outside of the Turner house, He is shown to be 20 ft tall. See more »


[Timmy is cornered by Mr. Crocker]
Timmy Turner: Look! A child in pain!
Denzel Crocker: WHERE?
[pulls up a seat and eats popcorn, only to find Timmy tricked him]
Denzel Crocker: Hey! There's no child in pain... BUT THERE'S GOING TO BE!
See more »


Follows The Fairly OddParents: Abra Catastrophe! (2003) See more »

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User Reviews

Cool Crossover Special
11 September 2004 | by (United States) – See all my reviews

Crossovers are nothing new to television. In the early '60's there were crossover episodes of "Dr. Kildare" with "The Eleventh Hour." Often they're mistaken as spin-offs like "Hello Larry" when it had crossovers with "Diff'rent Strokes" or "Wings" was when it had a crossover episode with "Cheers." Both NBC and ABC had days dedicated to crossover programs. Some are quite unique like an episode of the animated version of "The Mask" which crossed over with an animated version of "Ace Ventura; Pet Detective," which occurred only because Jim Carrey played the live-action counterparts both shows spun-off from. This is not the first time Nickelodeon has had any of their shows crossover either, but it may be the best, and not just because of the surprising combination of standard 2-D & computer-generated 3-D animation.

Timmy Turner has no project ready for the upcoming Dimmsdale Elementary Science Fair, and is desperately seeking a passing grade. Having fairy godparents, he wishes for the best lab in town. Unfortunately that lab happens to be A.J.'s lab, which is obviously cheating, so he decides to go further...for the best lab in the universe. No, not Brookhaven National Lab, or the Mayo Clinic, or even the old RCA Transmission Base in Rocky Point, L.I., N.Y., but the lab of Jimmy Neutron. If you've ever heard the song "21st Century Digital Boy," by Bad Religion, you'll see a prime example when Timmy Turner goes to Retroville. Any of those previously mentioned labs would mesmerize and baffle him just as much as Jimmy's, but even with all these wonderful ideas for a project all he can do is put a violent video game into a computer tuning up Jimmy's cyber-pooch Goddard, and turning him into a monster.

Both are mistaken for one another when they enter Dimmsdale and Retroville, but Cindy is the first one in Retroville who knows that Timmy's not Jimmy. Jimmy's not as lucky, because the only people in Dimmsdale who eventually find out that he's not Timmy are Cosmo and Wanda, and they're lucky enough that he thinks they're super-intelligent holograms. Only when Cindy helps Timmy turn Goddard back to normal, and Mr. Crocker takes over Fairy World does the truth about the two boys come out. Mr. Crocker's conquest of Fairy World is not as Wagnerian as his previous global takeover in "Abra-Catastrophe," but Timmy's attempts to get Jimmy to stop Crocker prove almost as difficult at first. Fortunately, Timmy appeals to Jimmy's fondness for Goddard to bring out the empathy in him that we love, and which will be displayed in "Win Lose and Kaboom" later that summer.

I've already said too much, and I'm not going to reveal anymore than the first reviewer has. If you can't catch this special in reruns, I recommend either renting or buying the DVD.

3 of 4 people found this review helpful.  Was this review helpful to you?

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