Naruto Shippūden the Movie: The Lost Tower

is the seventh overall Naruto film and the fourth Naruto Shippūden film. It will be released on July 31, 2010, with advance ticket sale events scheduled for April 17 and June 19.

Plot Overview
Assigned on a mission to capture Mukade, a missing-nin, Naruto Uzumaki sets out for the once glorious historic ruins of "Ouran", where he pursues and corners the rouge ninja. Mukade's goal is revealed to be a dormant leyline within the ruins; he unleashes the power of the leyline, causing a light to envelop Naruto, sending him twenty years into the past. When Naruto awakens, he comes into contact with the Fourth Hokage, Minato Namikaze.

In the trailer, Naruto is seen wielding a wind chakra infused kunai.