Full Gintama filler listIs Gintama episode 20 filler?Canon No, episode 20 of Gintama is canon.#20Watch Out For Conveyor Belts!ベルトコンベアには気をつけろAired 15 Aug 2006Previous: episode 19 · CanonNext: episode 21 · CanonNext canon episode: 21Back to Gintama