Bleach: Season 1, Episode 133

1 - 133: Ikkaku's Hot-Blooded Kendo Tale

Keigo's sister is the president of student council and challenges another school's Kendo team to a match. She asks Ikkaku to help her team win because the other school ambushed and injured all of the good team members. He accepts and trains all of the inexperienced freshman to be ready to fight the match. Most of the freshman are injured during training and Ikkaku has to ask the shinigami for help.