Ep. 2047: Rantarou and friends stage a mock battle to hide their ninja cram school picnic reunion.
Aired on May 11, 2018

2047
Rantarou and his companions organize a pretend war to conceal the village ninja cram school reunion picnic. All participants take their positions and begin the staged conflict. Meanwhile, ninjas from Oomagatoki-castle, specifically Iba Tooru and Kaibara Tarou, arrive at the scene to investigate the disturbance. The group attempts to maintain their cover while the outsiders observe the unusual activity. This event highlights the characters' efforts to keep their gathering secret from external authorities. The narrative focuses on the execution of the decoy battle and the subsequent interaction with the investigating ninjas from the castle.
Episodes
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- Ep. 2044 · First-year Ha-class ninjas investigate suspicious activity at Far-back Mountain under Yamada-sensei's guidance.
- Ep. 2045 · Rantarou investigates the suspicious presence of rival ninjas at the watchtower
- Ep. 2046 · Graduates from the village ninja cram school gather for a secret reunion picnic at the Mushroom Pass watchtower.
- Ep. 2047 · Rantarou and friends stage a mock battle to hide their ninja cram school picnic reunion.
- Ep. 2048 · Rantarou and friends encounter caltrops placed by the headmaster after class
- Ep. 2049 · Doi-sensei prepares for a joint explosives class with the Ha-class and kunoichi class.
- Ep. 2050 · Shinbei leads ninja Zatto Konnamon to a warabimochi shop with many delays
- Ep. 2051 · Captain Tatsumaki leads the Dokutake Navy to steal a Hyougo Navy ship using a decoy strategy.