Here is a list of episodes for each season:
Season 4 tried to reinvent itself. Premiering (now Monday 9/8c), it introduced “The Company” and Scylla. Halfway through, Fox split the season: the first 16 episodes ended December 22, 2008 . Then came a special two-hour episode, “The Old Ball and Chain” , on April 17, 2009 , followed by the final six episodes from April 24 to May 15, 2009 . The series finale, “Free” , aired May 15, 2009 —or so the world thought. prison break air dates
The history of spans two decades, beginning with its explosive 2005 debut and continuing into a future "new chapter" currently in development. While the original saga of Michael Scofield and Lincoln Burrows officially ended in 2017, a reboot at Hulu is now officially underway. Original Series Air Dates (2005–2009) Here is a list of episodes for each