Ep. 1817: Ha Class Students Attend Midnight Class Amidst Nintama Fears
Aired on April 2, 2015

1817
This episode depicts a traditional midnight class at Ninjutsu Academy, where first-year Ha Class students gather in their classroom to maintain wakefulness. The atmosphere shifts as the nintamas become frightened by the complete darkness surrounding them. Their anxiety intensifies when they hear an eerie voice approaching from the shadows. The narrative focuses on the students' struggle to stay alert during this specific academy tradition and the growing tension caused by the unknown presence in the darkened room.
Episodes
- Ep. 1813 · The Headmaster's Cherry Blossom Grove Discovery with Hemu Hemu
- Ep. 1814 · First-year Ha-class begins their new semester at Ninjutsu Academy
- Ep. 1815 · Kingo and Tobe sensei visit swordsmith Rokudou Tsujiemon and stay at an inn while being followed by a shadow.
- Ep. 1816 · Doi Sensei Investigates Nightmares Regarding Exposed Identity
- Ep. 1817 · Ha Class Students Attend Midnight Class Amidst Nintama Fears
- Ep. 1818 · Onigumomaru Kidnapped, Hyougo Daisankyoueimaru Seeks Help at Ninjutsu Academy
- Ep. 1819 · Headmaster orders ninjas to investigate his dream of being hunted
- Ep. 1820 · Makaino brings students to Ninjutsu Academy to meet Denko-san
- Ep. 1821 · Rantarou Delivers Letter to Kinraku Temple Priest Who Demands Mantra Recital