Yu Yu Hakusho

Season 3, Episode 21

Episode Title: Power Between the Teeth

Air Date: 1994-06-25

Overview:

As Itsuki explains more about the bizarre Sensui, Koenma prepares to use his most powerful weapon: his pacifier! It can create a barrier that would stop the demons from flooding Living World. Koenma knows that Sensui must be stopped or his evil plan will come to fruition dooming the entire human race!