To answer the query regarding the release date of the last season of Prison Break , one must define what constitutes the "last" chapter. If referring to the original, intended conclusion of the saga, the release date is (for the second half of Season 4), capped by the movie The Final Break in July 2009. If referring to the most current installment in the franchise's chronology, the release date is April 4, 2017 (Season 5).