As one of the most recognizable and iconic anime franchises in history, Naruto has undergone several reinventions since it first began airing in 2002. From the original series to Shippuden, the post-time skip saga and finally Boruto, the sequel series centered around the franchise’s titular protagonist’s son, it’s a precious few tenets that keep these three properties linked to each other as one incredible story.
Source:https://www.cbr.com/naruto-theories-disproved-ranked/