Sailor Moon - The fact that nobody recognizes Timmy Turner with his tiara on is a reference to the fact that nobody recognized the girls when they transformed, yet only their clothes would change and they would have on their head a tiara.
Word of the Episode
Teeth/Tooth is said by a couple characters throughout the show.
During the song, Chip Skylark twirled through a picture of himself. In the first shot of that picture, his teeth had only one line. When he twirls through it in the next shot, they have lines defining the individual teeth instead of just one line.