Episode 24

Enter Sango, the Demon Slayer is the twenty-fourth episode of the InuYasha anime. It first aired in Japan on April 23, 2001.

Synopsis

 * 1) A Demon Slayer named Sango is introduced; Sango, her brother Kohaku and their father go off on a mission to destroy a demon, as requested by a lord.
 * 2) The mission proves to be a trap, as the entire population of the demon slayer village is decimated by demons.
 * 3) In another layer of the trap, Kohaku is possessed by a spider demon and is forced to kill his father and comrades, and he injures Sango before he is killed himself.
 * 4) Naraku tells the surviving lord, Kagewaki Hitomi, that a half-demon named Inuyasha slaughtered the villagers in the demon slayer village; Sango overhears this and vows to destroy Inuyasha.

Summary
A band of demon exterminators head to a castle to defeat a demon. After they defeat the demon, Kohaku (A son of one of the exterminators) seemingly goes insane and kills the rest of the exterminators and is defeated by his sister, Sango. Because of her weakened state, she is easily persuaded by the prince of the castle that the one responsible for the tragic event is Inuyasha and gives her a jewel shard. She goes off, vowing revenge.