#164 - Possessed by a Parasite; Shippo, Our Worst Enemy
Shippo is possessed by a demon parasite chrysalis. In his possessed state he starts terrorizing a local village while irritating and eluding his friends. As a result of this, Inuyasha and his friends are imparted the task of getting Shippo back to normal before the villagers get their hands on him and try to kill him. A subplot of the episode is the mystery of where the parasites are coming from in the first place.