Big Adventure! The Quest for the Fourth Hokage's Legacy - Part 1 / Big Adventure! The Quest for the Fourth Hokage's Legacy - Part 2.Episode 170 Big Adventure! The Quest for the Fourth Hokage's Legacy - Part 1: Three years before Pain's attack on the Hidden Leaf, Naruto trains in preparation for the Chūnin Exam's final rounds when he hears Jiraiya speak of “the Fourth Hokage’s legacy". Using information from Guy, Naruto, Sakura and Team 10 head to the Honegami Grounds, where they are instructed by a disguised Guy to enter and complete the obstacle course and obtain the Secret Technique. Meanwhile Hidden Rain Ninja begin their pursuit.
Episode 171 Big Adventure! The Quest for the Fourth Hokage's Legacy - Part 2: Naruto and the others face the oncoming challenges in order to find the Secret Technique and break the Fourth Hokage's record, but Naruto’s impulsive action leads the group into various troubles. They are attacked by the Rain Ninja, but unknown to them, are saved by Sasuke. They eventually find the scroll which reads: "There is no shortcut in the ninja way". The phrase that becomes Naruto's motto. The story ends as the final rounds of the Chūnin Exam begin the next day.