Bleach: Season 1, Episode 186

1 - 186: Sortie Orders! Suppress the House of Kasumiōji

Yamamoto with the proof he needs to attack the Kasumiōji. Kumoi starts to panic and releases all the ninja armed with bakkōtō to fight off the Shinigami invasion. He also holds Rurichiyo hostage and is finally cornered by Ichigo and Rukia and some one comes in and stops him.