Continuity mistake: In the scene where Aladdin is talking to Jasmine in front of the mirror the jewelled flower is in a vase with a real flower when the monkey under the table takes the real flower and the scene cuts back and shows the vase with both flowers. Seconds later the vase is completely empty.
Continuity mistake: During the dinner with the Sultan, the Genie cuts off his hand and it starts to tap dance. When it stops dancing you can see that the Sultan's eyebrows are gone. Then when the Sultan starts laughing his eyebrows pop back.
Continuity mistake: In the scene where the Genie is singing in the beginning of the movie, towards the end of the song when they are up in the palace, when Genie, Aladdin, and Jasmine first throw their arms out, you see that Jasmine's arms are behind Genie's. But when they turn around facing the outside, you see her arms in front of Genie's.
Continuity mistake: During the movie, the Carpet's design changes continually.
Continuity mistake: At the end of the "You're Only Second Rate" song, Jafar has a human hand when he spins the plate Genie is on, but it then becomes his red genie hand along with his genie form. Also, when Jafar imprisons Genie in the glass orb, Genie is facing to the right (to the viewer). When Jafar puts Genie down, Genie's facing to the left.