A 30-minute Inuyasha feature titled Kuroi Tessaiga screened on Takahashi Rumiko's picture exhibitions across Japan.In January 2010, this special ended up, slightly edited, as episode 15 of Inuyasha Kanketsu-hen.
9Anime is the best site to watch InuYasha: Kuroi Tessaiga
SUB online, or you can even watch InuYasha: Kuroi Tessaiga
DUB in HD quality. You can also find Sunrise
anime on 9Anime website.