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.
This episode along with "Odd, Odd West" were aired on November 30, 2002 in the United States, they were produced in the same year of 2002 according to the credits.
Chet Ubetcha: Chip Skylark's teeth are MISSING!!!! Late last night, Chip Skylark's teeth were stolen right out of his musical mouth!
Timmy: Bender! He must've got medieval on Chip's mouth!
Cosmo: That's wiggity wiggity wack!
Wanda: Whatity whatity what?
Dr. Bender: Who are you? The teeth seem familiar, but the tiara has me baffled! But whoever you are, you'll never get these teeth!
Chet Ubetcha: What? There's a boy trapped in a well? This is Chet Ubetcha saying: I must get that boy out of that well! (Chet leaves to save the boy in the well)