Link
Assuming it'll be original material instead of just adapting some of the manga that it skipped over.
In addition to announcing the end of BORUTO: NARUTO NEXT GENERATIONS Part 1 and the production of Part 2, the latest update on the Naruto anime's 20th anniversary celebration included plans to rebroadcast select episodes in Japan this July. That's not all, though, because the official website also announced that a brand new anime project is in the works, with four all-new episodes of Naruto to set to premiere this September.
As for what those episodes will cover, we'll have to wait for more information
As for what those episodes will cover, we'll have to wait for more information