Hattori-kun received a letter from Iga's father asking him to take his friends and return home for spring break. Hattori-kun leaves for Iga with his younger brothers Shinzo, Kenichi, Yumeko-chan, and others. However, a suspicious shadow stares at the group... He is a subordinate of the scientific ninja Mechamaro, who has replaced the power of ninjutsu with the power of science. Mechamaro was plotting to confront Hattori-kun in order to prove the strength of scientific ninjas. And in order to occupy Iga no Sato, Hattori-kun sends a fake letter...
Genre: Animation
Stars: Junko Hori, Masako Sugaya, Yuko Mita, Kaneta Kimotsuki, Kenichi Ogata, Eiko Yamada
Crew: Hiroshi Sasagawa (Director), Shinichi Suzuki (Supervising Producer), Yoshitaka Gokami (Key Animation), Tsukasa Dokite (Key Animation), Tomokazu Kimura (Key Animation), Takayuki Kanouchi (Key Animation)
Country: Japan
Language: 日本語
Studio: Shinei Productions
Runtime: 53 minutes
Quality: HD
Released: Mar 12, 1983
IMDb: 10
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