Wick's family sues Oz for his passing which was caused by the experimental drugs he took. This also means, Dr. Nathan's under investigation and could lose her job. Ryan gets a surprise visit... from his real mother. Howell tells Ryan their trysts are over and she threatens to move on to Cyril. Busmalis confesses to Rebadow that he's a virgin. Schillinger tells Carrie about Hank's passing and she immediately goes into labor, delivering the baby in Oz's hospital. Beecher meets a lawyer who tells him his parole chances are decent as long as he stays out of trouble. So what does Beecher do'? He gets thrown in the hole for fighting with his new podmate. After a session with Sister Pete, Vahue decides he doesn't need her help, even though he really does. Hill questions Redding's decision to start eliminating prisoners and takes action. Deyell decides to donate his organs after he's executed. Tidd pays a heavy price for his new allegiance to Said.
s04e01 - A Cock and Balls Story
s04e02 - Obituaries
s04e03 - The Bill of Wrongs
s04e04 - Works of Mercy
s04e05 - Gray Matter
s04e06 - A Word to the Wise
s04e07 - A Town Without Pity
s04e08 - You Bet Your Life
s04e09 - Medium Rare
s04e10 - Conversions
s04e11 - Revenge is Sweet
s04e12 - Cuts Like a Knife
s04e13 - Blizzard of '01
s04e14 - Orpheus Descending
s04e15 - Even the Score
s04e16 - Famous Last Words
OZ is set deep inside the Oswald Maximum Security Prison, in an experimental unit known as Emerald City. Em City focuses on prisoner rehabilitation over public retribution. There's one set of rules from the outside looking in, and another once you're inside. Every group - Muslims, Latinos, Italians, Aryans - stick close to their mutual friends and terrorizes their mutual enemies.