Naruto Shippuden Episode 154 -
Starting with this episode, the series production officially switched to High-Definition (HD) for the remainder of its run.
This revelation confirms Jiraiya's suspicion that none of the Six Paths of Pain is the actual Nagato; they are puppets being controlled from elsewhere. Naruto Shippuden Episode 154
Recognizing that Naruto needs more power to face Pain, Fukasaku invites him to Mount Myoboku to learn Sage Mode . Naruto accepts, driven by his desire to honor his late master and protect the village. Trivia and Production Notes Starting with this episode, the series production officially