When Calamitous and Eustace joins forces with Crocker and Foop, they cause the apocalypse. Timmy and Jimmy reunite and they along with Cindy, Libby, Sheen, Carl, Cosmo, Wanda, Poof, and Mark work together to take the villains downs.
Crossover - Fairly OddParents & Jimmy Neutron - Rated: K+ - English - Friendship/Adventure - Chapters: 1 - Words: 2,363 - Reviews: 1 - Published: 5/29 - Timmy, Crocker, Jimmy N., Professor Calamitous - Complete