Big Adventure! The Quest for the Fourth Hokage's Legacy Part 2

is episode 171 of the Naruto: Shippūden anime.

Synopsis
Naruto and the others take on the oncoming challenges in order to find the secret technique and break the previous record set by the Fourth Hokage, but Naruto’s impulsive action leads the group into various troubles.

Trivia

 * This episode has no omake.