Welcome to Emerald City, an experimental unit of the Oswald Maximum Security Prison or "Oz." As run by Tim McManus and overseen by Warden Leo Glynn....

All that glitters is not Emerald City. Following the bloodbath that ended the prison riot, life is returning to far from normal for those who...

The name on the street is Oz, but the name on the wall is the Oswald Maximum Security Penitentiary - or it was. Now it's being changed to the Oswald...

The Millennium ended with a bang at Oswald State Correctional Facility, Level Four - aka, Emerald City - as racial tensions reached an all-time high....

It's a new year...but just another day in Oz. The renovations following the fire are complete: the walls are cleaner, the cafeteria is bigger and...

On the surface, not much has changed inside the walls of Oswald State Penitentiary. Schillinger has revenge on his mind, Cyril is facing execution,...

The lockdown ends. After Hamid Khan's body is taken off life support, the Muslim's choose Arif to lead them. Meanwhile, Cyril's having nightmares...

Mobay has his first meeting with Adebisi. Glynn fires McManus after Tim makes a foolish outburst during the slain CO's memorial service. Sister Pete...

All is crazy after Busmalis and Alvarez flee from Oz via one of Busmalis' tunnels. Hernandez discloses details about the shooting to Glynn and...

The kidnapping of Beecher's children has everyone upset and Beecher inconsolable. Schillinger gets questioned and of course, claims to know nothing...

Things get a bit lively on death row after Shirley Bellinger's execution-- Miles begins painting a self-portrait, Ginzburg's health deteriorates from...

An investigation into Goergen's death starts and Mobay's anxious when the investigator targets him first. Tensions begin to rise as Querns turns a...

Ryan and Howell get frisky. After leaving the hole and apologizing to Busmalis for the stabbing Rebadow suffers an attack due to a brain tumor....

After Hughes's attack on Devlin, Glynn withdraws from the race. Alvarez is still on the loose. Supreme Allah gets an unwanted surprise.

Adebisi's death still looms large over Oz. Against Glynn's better judgement and with special permission from the Gov., a TV news crew comes to Oz to...

New inmate Burr Redding arrives and stands ready to assume control of the drug business. Dr. Nathan returns. Tidd approaches Schillinger with a plan...

Robson and Hoyt tell Rev. Cloutier to back off of Schillinger. Schillinger and Beecher have their first counseling interaction session. Tidd...

O'Reily regrets getting Cyril involved with the trial drug when it starts taking effect. Meanwhile, Giles's request for an unusual method of...

O'Reily is in for a surprise when a visitor reveals the truth about his past, while Cyril faces trouble for his difficult behavior. Meanwhile,...

McManus calls a superficial truce between Redding and Morales. Basil finally sees his wife, but Hughes ends up spoiling their happiness. Meanwhile,...

McManus finds he is unable to turn his back on White. Beecher tells the parents of the young girl he killed that he's up for parole. Howell tries to...

In the Season Four finale, Hill discovers where his true allegiances lie. Redding's plot to use the Colonel against Morales has an unexpected...