Timmy and Mr. Crocker tapping a wand against their own head and murmer something (Crocker: Immy, Immy, Immy.... NOPE!) while changing their heads into something else (Pencil, Fish, Cheese) without realizing it.
Characters saying the "Find It" book is for three-year-olds.
Cosmo and Wanda disguise themselves as trash cans despite the fact that they don't have their wands. Although it could be that they transformed themselves as stated in The Gland Plan.
Why would Mark say that Mandie's "super hot"? Even though she's considered beautiful by human standards, she's considered ugly by Yugopatamian standards.
When the Library is zoomed out, the door, the hall, and the clock are back to their original format rather than the cookie, the milk and the graham crackers.
The puzzle book is constantly stated to be for 3 year olds, but Mandie said that an apple was a bomb, a bomb is a more dangerous weapon than something like a sword so the puzzle book shouldn't have that because it is for 3 year olds.
When Mr. Crocker shouts "Fairies!" in this episode for the final time, original captions say HEY!, but somehow, Mr. Crocker sometimes gets closed captioning errors in the series.
It is unknown why Wanda wished for Cosmo to easily find his wand.