If you're looking to watch or download this episode, I recommend checking out official anime platforms or reputable websites that offer Naruto Shippuden episodes. Make sure to respect copyright laws and choose legitimate sources to support the creators and distributors of the anime.
The episode explores Nagato's past, revealing his experiences and the events that led him to become Pain. The story also delves into the promise that Nagato made to a character named Jiraiya, which is a pivotal moment in the episode.
In this episode, Naruto and the Allied Forces are still battling against Pain, the leader of the Akatsuki organization. The episode focuses on the backstory of Nagato, also known as Pain, and his connections to the series' main character, Naruto.
I'm assuming you're referring to a specific episode of the anime series Naruto Shippuden. Here's some information about the topic: