InuYasha (2000)
S01E13 The Mystery of the New Moon and the Black-haired Inuyasha
Episode Overview
Inuyasha, a half-demon, harbors a secret: he transforms into a human once every month. On this particular day, he and his friends encounter Nazuna and decide to rest at a mountain temple. However, they soon find themselves ensnared in a trap set by Kumogashira, who successfully steals their sacred jewel shards. To make matters worse, Inuyasha is poisoned in the process!