Availability rotates, but Prison Break often moves between Hulu, Netflix, and Prime depending on your region. However, be warned: some streaming services edit the movie back into standard episode lengths (Episode 23 and 24), while others leave it as a standalone movie in the "Extras" section.
If you need to watch the movie without an internet connection (like on a plane or road trip), legal platforms have you covered. Prison Break- The Final Break Download Movies