Ep. 1956: The Dokutake ninja Fūki sends a warning arrow to the Ninjutsu Academy about Happousai's arrival.
Aired on April 10, 2016

1956
The Dokutake ninja Fūki shoots an arrow containing a message into the Ninjutsu Academy. The note reveals that Happousai will arrive at the academy the following morning. In response to this threat, Rantarou, Doi-sensei, and Yamada-sensei coordinate their efforts to protect the headmaster. The group works together to ensure the safety of the academy leader against the impending visit from Happousai.
Episodes
- Ep. 1952 · Yamada Denzou's Match
- Ep. 1953 · Rantarou and friends gather chestnuts while ninjas attempt to steal their harvest.
- Ep. 1954 · Rantarou begins the new semester at the Ninjutsu Academy with his parents' encouragement and friends.
- Ep. 1955 · New semester at Ninjutsu Academy brings shuriken struggles and Hanabusa Makinosuke's mosquito challenge
- Ep. 1956 · The Dokutake ninja Fūki sends a warning arrow to the Ninjutsu Academy about Happousai's arrival.
- Ep. 1957 · Kirimaru Takes Friends to Babysitting Job During Academy Holiday
- Ep. 1958 · First-year ha-class students investigate kappa rumors at Far-back Mountain
- Ep. 1960 · Yuki, Tomomi, and Shige attempt the Ha-class rule for shuriken practice