Here’s a clear answer to your question, followed by a connection to your “interesting paper” note.
Approximately 90 episodes (mostly at the end of the series). Naruto Shippuden (The Sequel) how many episodes of naruto in total
(2002–2007): 220 episodes (Episodes 1–220, including episodes 136–220 which are mostly anime-original filler) Here’s a clear answer to your question, followed
– Why did Studio Pierrot produce so many filler episodes? (To let the manga get ahead.) A paper could explore the business model of weekly anime adaptations in the 2000s. (To let the manga get ahead
While the main story of Naruto Uzumaki concludes at episode 720, the franchise continues with his son. serves as the third installment. As of the end of Part 1, Boruto added another 293 episodes to the franchise, bringing the total "Naruto-verse" episode count well over 1,000. Canon vs. Filler
How to watch Naruto in the best (or complete!) order | Popverse
If you want just the story found in the manga, you can find "filler lists" online to skip roughly 40% of the total 720-episode run.