In the Fairy World Prison, Anti-Cosmo escapes. Meanwhile, in both their dimensions, Timmy and Jimmy have a Friday the 13th dance party, and they both want Cindy to be their "date". Meanwhile, the anti-fairies come up with a plan to cause bad luck every day by making the Earth stay still, making every day Friday the 13th. Timmy and Jimmy put their differences aside and defeat the anti-fairies together. Timmy then finds AJ's gene-splicer and accidentally shoots Jorgen Von Strangle and Professor Calamatos, merging them together and allowing Calamatos to control Jorgen's magic for evil. After Jorgen and Calamatos escape and capture Cindy, Jimmy and Timmy argue again. Jimmy, Timmy and their friends defeat Calamatos and Jorgen by breaking "Da Rules" and rescuing Cindy. In the end, Jimmy and Timmy have their "Friday the 13th" dance sharing Cindy between their universes, and Carl wishing for Cosmo and Wanda to bring Jimmy's mom inside the jar and poofing Calamatos away. First Appearance:Cindy Vortex
When Cindy is out of town Jimmy and Timmy decide to become best friends and they ditch everyone. After defeating Jimmy's enemy and they beat the evil Crimson Chin they believe they can make a great team so they create an evil villain called Shirley but he doesn't turn out evil so they make an effort to annoy him but it goes totally wrong as Shirley takes over both their worlds but with the help of their friends Shirley stops his evil ways and it finishes with Shirley getting his old restaurant and Jimmy saying that Cindy's smarter than him. One Time Appearance:Shirley
In the eleventh episode of Nickelodeon's "Ned's Declassified School Survival Guide", Cosmo and Wanda show up to help Ned, during one of his day dreams. The show was created by Scott Fellows, who had previously worked on FOP.
In this episode of "Big Time Rush", Katie is watching "The Fairly OddParents" on TV when Buddha Bob hits his head, what leads him to believe he is Cosmo and start acting like such. Buddha Bob was played by Daran Norris, who is actually Cosmo's voice actor. On another subplot in the same episode, Butch Hartman also guest starred as himself. The show was created by Scott Fellows, who had previously worked on FOP.