Sonic has a bad habit of eating too many sweets and not brushing his teeth correctly. The next morning, he finds out that he has cavities, which forces Amy to take him to the dentist. Will Sonic finally learn his lesson, or will he have to have his teeth pulled out by Dr. Yabui?
- This episode parodies the 32nd Kirby episode, A Dental Dilemma.
- The lines "Keep your rotten monsters away from me or you're gonna be sorry!" by Sonic and "After him, Hardy! Go teach that blue bozo a lesson!" by Dedede are a reference to when Amy says "Keep your rotten robots away from my Sonic or you're gonna be sorry!" and when Eggman says "After him, Serpenter! Get rid of that blue bozo!" in the 9th episode of Sonic X, The Last Resort.
- Hardy, the dental monster, returns.
- This is the second time Kirby gets a copy ability (Tornado).
- This episode is centered on Sonic.
- Number of Sonic characters: 5
- Number of Kirby characters: 5