Hosenki and the Final Shard
Inuyasha searches for Myoga to figure out how to get to the border between this world and the next, and his father's grave, where the last shard of the sacred jewel may be hidden.
Aired 01/03/2004EP 144 - Hosenki and the Final Shard

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)