Oz is in upheaval following the return of Martin Querns; Howell and Robson receive troubling medical news; Alvaraez succumbs to an enticing offer.

Exeunt Omnes

Three new inmates arrive at Oz; Busmalis and Rebadow prove to be true Romeos; an awards Banquet ends in a fateful discovery.

Junkyard Dawgs

Idzik faces his enemies and asks for a transfer; the Muslims run into business trouble; the inmates rally to support the O'Reilys.

A Day in the Death...

Alvarez receives shocking news; Redding's battle continues; Murphy makes a confession to Glynn; Morales' medical suspicions are confirmed.

4giveness

Glynn receives mixed news on the poison problem; Keller and Beecher work out an agreement; Robson finally gets some redemption.

A Failure to Communicate

Schillinger has a disappointing visit with the mayor; Officer Brass spends some quality time with Morales; Cyril O'Reily undergoes an unusual method of therapy.

Sonata da Oz

The unexpected arrival of the mayor spurs an ironic turn involving Schillinger and Beecher; Dr. Nathan discovers why solitary inmates are getting sick.

See No Evil, Hear No Evil, Smell No Evil

Alvarez and Schillinger are put back in the general population; the new librarian lifts Rebadow's spirits.

Dead Man Talking

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Inmates and correctional officers inside the Oswald State Correctional Facility, nicknamed "Oz," battle for power and survival amid warring factions and explosive acts of retribution.

S6 E4 | A Failure to Communicate