It is common to confuse Boruto as "Part 3," but it is technically a sequel series with its own numbering.

If you plan to skip filler, the essential canon runtime is roughly (136 + ~300). The complete filler-free guide is widely available online.

You can reduce this by nearly 40%, bringing the total down to about 150 hours of pure, manga-canon story. Beyond the Episodes: Movies and Specials

Unlike the previous series, Boruto features a high volume of "Anime Original" content that expands on the manga's relatively short monthly chapters. How Long Does it Take to Watch?