Other mistake: After the Grinch sends Cindy Lou Who to bed and closes the door, part of his Santa suit becomes the same colour as the background mid-shot.
Other mistake: When the Grinch rides his sleigh back to Whoville and returns everything, as the narrator says, "He brought back their pantookas," a pink ornament lands on the Christmas tree, then changes to yellow mid-shot.
Other mistake: When the Grinch runs to the top of Mount Crumpit and grabs the sleigh, a part of the sleigh disappears for a frame or two.
