If you are trying to avoid non-story content, you can refer to the Naruto Filler List to see which upcoming episodes can be skipped.
Naruto completes his training for the final round of the Chunin Exams by successfully performing the Summoning Jutsu. Naruto (Dub) Episode 56
Falling toward certain death, Naruto enters his subconscious and encounters the Nine-Tails Fox behind the seal for the first time. He successfully demands a "rent payment" of chakra and summons Gamabunta , the Chief Toad, for the first time. If you are trying to avoid non-story content,
Jiraiya acknowledges Naruto's incredible determination and potential to become a future Hokage. Where to Watch the Dub He successfully demands a "rent payment" of chakra
Official platforms like Tubi TV , Crunchyroll , and Hulu carry the dubbed series.
Jiraiya determines that Naruto's "normal" chakra isn't enough to summon a large toad and that he must tap into the Nine-Tails' red chakra. To force this, Jiraiya takes Naruto to a deep ravine and pushes him off a cliff, putting him in a "live or die" situation.