Hailing from the mountains of Iga, Kanzo Hattori moves in with elementary school student Kenichi Mitsuba and his family to hone his skills as a ninja.

Hailing from the mountains of Iga, Kanzo Hattori moves in with elementary school student Kenichi Mitsuba and his family to hone his skills as a ninja.

Season 3 of Ninja Hattori-Kun Returns premiered on 2013-05-13.

Season 4 of Ninja Hattori-Kun Returns premiered on null.

Season 5 of Ninja Hattori-Kun Returns premiered on null.

Season 6 of Ninja Hattori-Kun Returns premiered on null.