Ep. 1838: Rantarou and Sanjirou investigate sounds beneath Hodo Hodo Castle during the battle between Zatto and Kema.
Aired on May 1, 2015

1838
While Zatto and Kema engage in combat at Hodo Hodo Castle, a separate strategy unfolds elsewhere. Rantarou and Sanjirou utilize a water jar to detect vibrations and noises emanating from the ground below. Their investigation reveals critical information regarding the ongoing siege. The narrative focuses on the convergence of the direct confrontation and the covert efforts of Rantarou and Sanjirou. The outcome of the siege reaches its conclusion as these parallel events intersect, determining the fate of the characters involved in the conflict at the castle.
Episodes
- Ep. 1834 · First Year Ha Class Investigates The Haunted Hodo Hodo Castle
- Ep. 1835 · Rantarou investigates Hodo Hodo Castle where a strange light appears and Zatto Konnamon arrives.
- Ep. 1836 · Zatto and Hama Shuichirou Defend Hodo Hodo Castle Against Ninja Invasion
- Ep. 1837 · Rantarou and friends establish passwords for night patrols as sixth years arrive
- Ep. 1838 · Rantarou and Sanjirou investigate sounds beneath Hodo Hodo Castle during the battle between Zatto and Kema.
- Ep. 1839 · Kanzaki and Tsugiya are barred from leaving due to their poor navigation skills.
- Ep. 1840 · Hieta Tantanmen
- Ep. 1841 · Denshichi and Sakichi lose items to bandits while Rantarou's group approaches
- Ep. 1842 · Doi Sensei's Surprise Math Test Sparks Confidence in Kirimaru