When Spongebob is in the wishing well, Mrs. Puff throws only one coin into the well, but later Spongebob says that Mrs. Puff gave 2 cents.
When Spongebob is in the wishing well there are 4 coins on the floor, but he only places 2 in the bucket that Mr. Krabs brings down, then the other two coins that were suppose to be left are gone.
In the wishing well, Patrick sits on Squidward and it looks like Squidward doesn't have a shirt, but afterward he does.
In one scene when Squidward is leaving the wishing well Mr. Krabs' eyelashes lose there color and gain them back repeatedly.