Ep. 2004: Kirimaru's secret mission leads to a dangerous encounter with Dokutake ninjas.
Aired on June 19, 2017

2004
Kirimaru accepts a part-time job to deliver a secret message to a branch castle. While traveling along the path, he runs into ninjas from Dokutake. These enemies are preparing to assault the branch castle and seize control of the region for themselves. During this confrontation, Kirimaru is captured by the Dokutake ninjas, placing his mission and safety in jeopardy as the hostile group advances on their target location.
Episodes
- Ep. 2000 · Rantarou and friends visit Hyougo Navy sea and find Shige looking sad near an ankou-like woman
- Ep. 2001 · Shibuki Takes Over Training Duties for His Bedridden Father Captain Tatsumaki
- Ep. 2002 · Rantarou Treats a Shuriken-Wounded Boar During His Jog
- Ep. 2003 · Yoshirou Arrives at Ninjutsu Academy with Unspoken Words for Kisanta
- Ep. 2004 · Kirimaru's secret mission leads to a dangerous encounter with Dokutake ninjas.
- Ep. 2005 · Kinokojirō Taketaka Appoints Happousai as a Fly at Dokutake Castle
- Ep. 2006 · Library Committee Members Chouji and Kirimaru Visit the Town Market to Purchase Old Books
- Ep. 2007 · Kirimaru and Doi-sensei's Postponed House Ventilation Plans
- Ep. 2008 · Senzou, Shinbei, and Kisanta Assist Pro Ninja Rikichi