Funeral March for the Living

is episode 152 of the original Naruto anime.

Synopsis
When Naruto saves three men, he is dragged into yet another mission. However, unlike the last two involving a search for Sasuke Uchiha, he is reluctant to participate. However, when Guy reveals information that the leader of the Kurosuki family, Raiga, is connected with the Seven Ninja Swordsmen of the Mist, Naruto changes his mind, since Kisame Hoshigaki of Akatsuki was a part of the group. Lee concludes that as Kisame is Itachi's partner, and finding Itachi may bring them closer to Sasuke. With Neji, Lee, and Tenten as his allies, the group goes on their new mission.