Sora, Riku, Kairi, King Mickey, Donald, and Goofy travel to Hill Valley, meet Marty McFly and Doc Brown, and end up stuck with Marty in 1955. Now they must help him get his parents together and stop the Heartless from messing up the Space Time Continuum. A Kingdom Hearts/Back to the Future Crossover extended remake to celebrate 5 years.

The Duck/McDuck family kids are tasked in building homes in Traverse Town for those who lost theirs in the Keyblade War. While new friends are made, enemies lurk around to send the world into darkness. Can they all work together to stop them all? An ultimate DuckTales/Phineas and Ferb/Gravity Falls/Amphibia/Owl House crossover.