Possessed by a Parasite: Shippo, Our Worst Enemy
A parasite demon infects Shippo, causing him to attack his friends, but Inuyasha seems to be the Shippo's real target.
Aired 30/08/2004EP 164 - Possessed by a Parasite: Shippo, Our Worst Enemy
2000
InuYasha
Kagome Higurashi, an average ninth grader, gets pulled into an ancient well by a demon, bringing her 500 years in the past to the feudal era. There, she meets Inuyasha, a half-demon who seeks the Shikon Jewel to make himself a full-fledged demon. With Inuyasha and new friends, Kagome's search for the Jewel of Four Souls begins...
(Source: VIZ Media)