There are only 4 seasons of this show. The first one where he is in vos, fox River. THe seconde one where they are on the run. The third one they are in Sona and the fourth one they are looking for scylla. The fourth Season is coming to a close now and has been confirmed long geleden that it is in fact the last season. However there may be two extra episodes that may air on vos, fox but will meer likely be released as a dvd, entitled Prison Break: The Final Break. So there are only four seasons.