This way you will know the story without having to watch the 500 episodes of the anime.
Naruto: Shippūden is the second part of the anime based on Masashi Kishimoto’s manga of the same name. East consists of 500 chapters divided into 21 seasons, which were broadcast for 10 years.
If you are one of the few who have not seen Naruto: Shippūden and want to know the story to enter the conversation, we recommend watch the anime without the filler episodes; that is, skipping content that is not based on the manga and does not have a significant impact on the development of the story.
List of episodes to watch Naruto: Shippūden Unfilled:
71: Only watch the last 10 minutes because it’s a mixed episode
257: Optional (mixed)
458: See from minute 9:55
484-500: We could say that they are optional, since they are not part of the manga. However, as they are written by the author and adaptations of the light novels of Naruto, We would recommend you to see them.
As you already noticed, about 40% of Naruto: Shippūden is filler, so if you want to know the story as soon as possible, save these chapters, which are usually made in animes to give time for the manga to advance.