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

Jimmy Neutron and Timmy Turner don't play well together -- Jimmy's 3-D and Timmy's 2-D -- but they do share a quick-wittedness that kids of all ages can appreciate. Jimmy and Timmy swap universes when ...

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

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 ...