Naruto - Season 4 - Eps 177: Please, Mr. Postman!!
Naruto accidentally met up with Jiraiya while he was working on his next book. Naruto begged Jiraiya to train him, but Jiraiya refused. He told Naruto that he had to finish his book first. Naruto was disappointed, but he didn't give up. He decided to help Jiraiya with his book. He helped Jiraiya with research, and he even helped him with the writing. One day, while Naruto was helping Jiraiya, they were attacked by a group of courier ninjas. The courier ninjas were trying to steal Jiraiya's book. Naruto and Jiraiya fought bravely, and they were eventually able to defeat the courier ninjas. They saved the book, and they also learned a valuable lesson about teamwork.
About Naruto

Title: Naruto
First Air Date: 2002-10-03
Last Air Date: 2007-02-08
Status: Ended
Rating: 8.4/10 (from 5624 votes)
Language: JA
Seasons: 5
Total Episodes: 220
Network: TV Tokyo
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Pierrot, Sound Box, Rakuonsha
Synopsis
Naruto Uzumaki, a mischievous adolescent ninja, struggles as he searches for recognition and dreams of becoming the Hokage, the village's leader and strongest ninja.
Cast

Junko Takeuchi
Naruto Uzumaki (voice)

Noriaki Sugiyama
Sasuke Uchiha (voice)

Chie Nakamura
Sakura Haruno (voice)

Kazuhiko Inoue
Kakashi Hatake (voice)

Hidekatsu Shibata
Hiruzen Sarutobi (3º Hokage) (voice)

Koichi Tochika
Neji Hyuga (voice)

Masashi Ebara
Might Guy (voice)

Yōichi Masukawa
Rock Lee (voice)

Yukari Tamura
Tenten (voice)

Ryoka Yuzuki
Ino Yamanaka (voice)