Michael is once again imprisoned, but now in SONA (Panama), together with T-Bag, Mahone and Bellick. The prison is solely ruled by inmates, whose local prison-lord Lechero feels threatened by…

Paramedics try to resuscitate Susan Farrell. They believe that she took promicin and lost the 50/50 lotto that comes with it. Danny is certain that she did not take the…

In the fourth-season finale, Sheila learns that Jimmy's ghost has been spotted on several occasions, so she investigates. Meanwhile, Colleen blames Tommy for her failed relationship; Franco and Natalie come…

Zoe and her friends lose their voices, but whatever is causing the symptoms has an even worse effect on Allison and her only hope comes from an unusual source.

Meghan and Diana learn how to remove the entity from Tom, but the procedure is dangerous. Meanwhile, Shawn finds help in his attempt to rescue Kevin from Promise City; and…

Tommy plays hero in someone else's uniform, confusing the crew; Colleen finds a new reason to get upset with Tommy; Natalie asks Franco for a favor; a rift between Mike…

Strange happenings and spreading radiation at Global Dynamics lead to speculations that an abandoned research project concerning invisibility might have been revived. When Sheriff Carter accidentally becomes involved, the effects…

Kyle breaks quarantine to find Jessi and they use the photo from Baylin's lock box to search for answers. Meanwhile, the Trager's sort through all that they know about Kyle…

Tommy goes on another memorable date with Beth for the sake of the crew; Black Shawn proves himself in an unexpected arena; Franco realizes what he's really lost while Latrina…

An experiment about the big bang theory seems to be the cause for Eureka's finest to become dumber and dumber, including everyone involved in the experiment. When it comes to…