Season 4 of Prison Break originally aired from September 2008 to May 2009 and consists of 22 episodes. This season follows Michael Scofield and his team as they work for Homeland Security to bring down "The Company" by retrieving a data storage device known as Scylla. Episode Index
The show's ratings were also strong, with an average of 7.3 million viewers per episode.
The gang infiltrates a Company man’s home to copy the first card.
Season 4 Overview