
In the movie, Tweedledee and Tweedledum and the talking flowers are incorporated into the original plot from Alice's Adventures in Wonderland. In the book, Tweedledee and Tweedledum and the talking flowers never appear they are characters from Lewis Carroll's other novel, Through the Looking-Glass, and What Alice Found There. The White Rabbit's clock is broken that the Mad Hatter and The March Hare "fix" it. In the movie, The Mad Hatter, the March Hare, and the Dormouse are celebrating at an Unbirthday party rather than a never-ending tea party. The Mad Hatter, the March Hare, and the Dormouse are having never-ending tea party because the Mad Hatter had a quarrel with Time. (This is an idea from Through the Looking-Glass, and What Alice Found There.

In the book, there is no "Unbirthday" party.

The following is a list of noted differences between the original Alice's Adventures in Wonderland book and the 1951 Disney movie adaptation.
