You can stream all 22 episodes of through several official platforms, though availability for "free" viewing often depends on your region or having an existing subscription to a major streaming service. Where to Watch Official Episodes
You can currently watch all 22 episodes of Prison Break Season 1 on in the US and Disney+ internationally. While there are no permanently free legal streaming options, you can access the show for free by utilizing free trials from various services. 📺 Where to Watch (Free & Paid)