* EarWorm: [[http://www.youtube.com/watch?v=07cyiNcvMYY GET IT OUT OF MY HEAAAAAD!!]]
* MissingEpisode: Only the audio for episode 12's next-episode preview of episode 13 survives. ...Actually, it's kinda surprising that this trope didn't hit the show any harder than this.
* NightmareFuel: The [[EvilWeapon demonically possessed katana 'Nihil']] corrupts its user. When ''Dororo'' picks it up, his BrattyHalfPint dialogue doesn't change ''at all'', so the audience is briefly entertained with the thought that the only difference between that trope and a mass-murderer is will and means.