After finally catching all of Jumba’s genetic experiments and found the one true place where each of them belongs. Stitch, Jumba, Peakley and Cella are offered positions in the Galactic Alliance, turning them down so they can stay on Earth with Lilo. But Lilo realizes her alien friends have places where they belong too, and it’s finally time to say “aloha.” Meanwhile, Gantu has left Earth and broken Doctor Jacques Von Hamsterviel out of prison, who’s planning to create and clone a new experiment named Leroy who is apparently Stitch's Heartless, and take over the Galaxey once the Villain Leage have corrupted Stitch and all of his cousins back to their destructive programming and become the leage's new monsters. Can Lilo, Spongebob, Kairi and the Louge allong with some old friends of Lilo's stop this sinister plan? Not if Young Xehanort, Teen Mang and the Villain Leage's Organization XIII have anything to say about it.
- Kim Possible, Ron Stoppible, Rufus, The Gang from Recess, Penny Proud, Jake Long and his friends return and now have major role in this movie by helping Lilo, Kairi and the Lougers since their apperences in The Lilo and Stitch Series Crossover Episodes: Rufus, Morpholomew, Lax and Spats.
- Pixiemon will train Lilo and her crossover friends on how to fight the villain leage for the first time
- Since Leroy is created as Stitch's Heartless, his Nobody will make his debuit in an Shell Louge Established Adventure Moisode in the near future.
- Instead of Stitch being destroyed with Jumba, Pleakley and Cella by the Villain Leage sending them to the Black Hole, Cobra will instead spare Stitch and attempt to corrupt him while Jumba, Peakley and Cella are taken hostage.
- The Villain Leage's Organization XIII will help the Leroys capture and round up the Experiments so Cobra can corrupt them and Stitch back to their distructive programing.
- Before the climax between the Louge and their friends against the Villain Leage and the Leroy Army, Kairi will cure Stitch and the other Experiments back to their reformed selves with her Princess of Heart Powers.
- The Original Leroy will have the same powers as Xehanort's Heartless, like an evil shadow Stitch-like version of Ansem's guardian but it is vulnerable to both Kairi's keyblade and princess of heart powers
- Instead of singing Aloha 'Oe to deactivate the Leroy army, Spongebob, Kairi, Stitch, Lilo, Trainer and Reuben along with all of their friends will sing the Happy Feet 2 version of Under Pressure do to Icky giving Jumba an Ipod with the Queen and David Bowie Version which was played during Leroy's creation.
- Cella will take over Gantu's job as Captain of the Galactic Alliance due to Gantu's friendship with the Fantasy Adventure Team and she will still live on Earth along with Stitch, Jumba and Peakley.
- Galaxhar will be demoted from his rank as a Villain League general due to his usefulness and plans for Stitch and his cousins coming to an end.
- This will be the Leage's Organization XII's third appearence.