Episode 22

A Wicked Smile; Kikyō's Wandering Soul is the twenty-second episode of the InuYasha anime. It first aired in Japan on April 9, 2001.

Plot
Kikyo, who survived her encounter with Inuyasha, lives peacefully in a village, but must steal the souls of the dying to maintain her presence in the world, which alarms one of the village girls when a monk named Seikai is killed by the shrine maiden when he tries to save her soul. Meanwhile, Inuyasha, Kagome, and their friends investigate girls losing their souls, which inevitably leads them to Kikyo.

Trivia

 * Episodes 21 and 22 originally aired together as a one hour special.