Other mistake: In the ending when Sora and Riku fall into the ocean, it is visible that their hair and clothes do not get wet. They should be completely soaked because they were entirely underwater.
Continuity mistake: When Kairi and Sora finally meet again, Kairi hugs Sora. In the first shot, Kairi's arms are over Sora's. However, in the next shot, her arms are under his.
Trivia: In 'The World That Never Was' you come across a type of graveyard with the headstones acting as gateways to each of Organization XIII's members' rooms. Each headstone describes their respective member with a depiction of their respective weapons.
Question: In the "switches" mission in Agrabah (when you're flying on the magic carpet) what should we do to trigger them?
Answer: Lock onto them and look at their color. If they all turn blue cast blizzard. If they all turn red cast fire. If they all turn yellow cast thunder.