Let’s break down why that search happens, why it’s tricky, and what your actual best options are. I get it. Physical media is expensive. Streaming services have rotating licenses. You want to download the 20+ episodes of Season 1 (The Kazekage Rescue arc) and watch them offline without paying for five different subscriptions.
Torrents for Shippuden are out there. Sites like Nyaa or Pirate Bay have listings for "Naruto Shippuden S01 1080p Dual Audio."
Save yourself the virus scan and the bandwidth throttling. Grab a Hulu free trial (or Crunchyroll’s 14-day trial) and binge the first 32 episodes legally. The audio is cleaner, the subtitles for signs are accurate, and you don't have to worry about your ISP sending you a warning letter.