Bleach: Season 1, Episode 100

1 - 100: Soi Fong Dies? The Last of the Secret Mobile Corps

In this episode, Mabashi uses his doll to control the shinigamis and make them attack others. Captain Unahana tries to heal them but discovers that the only way to save those shinigamis is by capturing the puppet master (who is Mabashi). Mabashi poisons Soi Fong who weakens, and then leaves her to die. Mabashi comes back to torture Soi Fong more before she dies, but Soi Fong has a big surprise for him that ends his life. the episode ends with the old man from the bounto, with Baura as his doll, and Mayuri Sama meeting each other and getting ready to fight.