InuYasha Episode 73: Shiori`s Family and Inuyasha`s Feelings
Episode 73 of 167 of InuYasha, aired June 10, 2002, 24 minutes. Available with English subtitles and dub where released.
Episode summary
To break Naraku's barrier, Inuyasha must strengthen the Tetsusaiga by making it absorb the blood of a bat-demon protecting its nest with a strong barrier.